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Finding the Fourth Proportional to 157,952.76, 217,833.66 and 131,052.66

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Solution

The fourth proportional to 157,952.76, 217,833.66 and 131,052.66 is: 180,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,952.76 : 217,833.66 = 131,052.66 : x
  2. Step 2: Convert to fraction form
    157,952.76/217,833.66 = 131,052.66/x
  3. Step 3: Cross multiply
    157,952.76x = 217,833.66 × 131,052.66
  4. Step 4: Simplify right side
    157,952.76x = 28,547,680,580.54
  5. Step 5: Solve for x
    x = 28,547,680,580.54/157,952.76
  6. Step 6: Final answer
    x = 180,735.56

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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.