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Finding the Fourth Proportional to 157,076.10, 235,614.15 and 125,972.10

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Solution

The fourth proportional to 157,076.10, 235,614.15 and 125,972.10 is: 188,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,076.10 : 235,614.15 = 125,972.10 : x
  2. Step 2: Convert to fraction form
    157,076.10/235,614.15 = 125,972.10/x
  3. Step 3: Cross multiply
    157,076.10x = 235,614.15 × 125,972.10
  4. Step 4: Simplify right side
    157,076.10x = 29,680,809,265.22
  5. Step 5: Solve for x
    x = 29,680,809,265.22/157,076.10
  6. Step 6: Final answer
    x = 188,958.15

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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.