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Finding the Fourth Proportional to 157,551.10, 236,110.65 and 101,218.30

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Solution

The fourth proportional to 157,551.10, 236,110.65 and 101,218.30 is: 151,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,551.10 : 236,110.65 = 101,218.30 : x
  2. Step 2: Convert to fraction form
    157,551.10/236,110.65 = 101,218.30/x
  3. Step 3: Cross multiply
    157,551.10x = 236,110.65 × 101,218.30
  4. Step 4: Simplify right side
    157,551.10x = 23,898,718,604.90
  5. Step 5: Solve for x
    x = 23,898,718,604.90/157,551.10
  6. Step 6: Final answer
    x = 151,688.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.