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Finding the Fourth Proportional to 157,507.98, 217,327.23 and 93,866.82

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Solution

The fourth proportional to 157,507.98, 217,327.23 and 93,866.82 is: 129,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,507.98 : 217,327.23 = 93,866.82 : x
  2. Step 2: Convert to fraction form
    157,507.98/217,327.23 = 93,866.82/x
  3. Step 3: Cross multiply
    157,507.98x = 217,327.23 × 93,866.82
  4. Step 4: Simplify right side
    157,507.98x = 20,399,815,979.51
  5. Step 5: Solve for x
    x = 20,399,815,979.51/157,507.98
  6. Step 6: Final answer
    x = 129,516.08

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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.