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Finding the Fourth Proportional to 157,633.71, 217,562.67 and 93,975.54

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Solution

The fourth proportional to 157,633.71, 217,562.67 and 93,975.54 is: 129,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,633.71 : 217,562.67 = 93,975.54 : x
  2. Step 2: Convert to fraction form
    157,633.71/217,562.67 = 93,975.54/x
  3. Step 3: Cross multiply
    157,633.71x = 217,562.67 × 93,975.54
  4. Step 4: Simplify right side
    157,633.71x = 20,445,569,397.09
  5. Step 5: Solve for x
    x = 20,445,569,397.09/157,633.71
  6. Step 6: Final answer
    x = 129,703.03

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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.