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Finding the Fourth Proportional to 112,154,689.60, 157,243,313.60 and 112,154,689.60

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Solution

The fourth proportional to 112,154,689.60, 157,243,313.60 and 112,154,689.60 is: 157,243,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,154,689.60 : 157,243,313.60 = 112,154,689.60 : x
  2. Step 2: Convert to fraction form
    112,154,689.60/157,243,313.60 = 112,154,689.60/x
  3. Step 3: Cross multiply
    112,154,689.60x = 157,243,313.60 × 112,154,689.60
  4. Step 4: Simplify right side
    112,154,689.60x = 17,635,575,028,483,456
  5. Step 5: Solve for x
    x = 17,635,575,028,483,456/112,154,689.60
  6. Step 6: Final answer
    x = 157,243,313.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.