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Finding the Fourth Proportional to 157,578.92, 236,370.42 and 52,397.88

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Solution

The fourth proportional to 157,578.92, 236,370.42 and 52,397.88 is: 78,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,578.92 : 236,370.42 = 52,397.88 : x
  2. Step 2: Convert to fraction form
    157,578.92/236,370.42 = 52,397.88/x
  3. Step 3: Cross multiply
    157,578.92x = 236,370.42 × 52,397.88
  4. Step 4: Simplify right side
    157,578.92x = 12,385,308,902.71
  5. Step 5: Solve for x
    x = 12,385,308,902.71/157,578.92
  6. Step 6: Final answer
    x = 78,597.50

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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.