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Finding the Fourth Proportional to 259,424.91, 357,951.69 and 157,503.96

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Solution

The fourth proportional to 259,424.91, 357,951.69 and 157,503.96 is: 217,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,424.91 : 357,951.69 = 157,503.96 : x
  2. Step 2: Convert to fraction form
    259,424.91/357,951.69 = 157,503.96/x
  3. Step 3: Cross multiply
    259,424.91x = 357,951.69 × 157,503.96
  4. Step 4: Simplify right side
    259,424.91x = 56,378,808,663.69
  5. Step 5: Solve for x
    x = 56,378,808,663.69/259,424.91
  6. Step 6: Final answer
    x = 217,322.26

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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.