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Finding the Fourth Proportional to 113,911.68, 157,200.48 and 63,610.68

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Solution

The fourth proportional to 113,911.68, 157,200.48 and 63,610.68 is: 87,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,911.68 : 157,200.48 = 63,610.68 : x
  2. Step 2: Convert to fraction form
    113,911.68/157,200.48 = 63,610.68/x
  3. Step 3: Cross multiply
    113,911.68x = 157,200.48 × 63,610.68
  4. Step 4: Simplify right side
    113,911.68x = 9,999,629,429.13
  5. Step 5: Solve for x
    x = 9,999,629,429.13/113,911.68
  6. Step 6: Final answer
    x = 87,784.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.