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Finding the Fourth Proportional to 157,421.74, 236,169.54 and 62,657.68

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Solution

The fourth proportional to 157,421.74, 236,169.54 and 62,657.68 is: 94,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,421.74 : 236,169.54 = 62,657.68 : x
  2. Step 2: Convert to fraction form
    157,421.74/236,169.54 = 62,657.68/x
  3. Step 3: Cross multiply
    157,421.74x = 236,169.54 × 62,657.68
  4. Step 4: Simplify right side
    157,421.74x = 14,797,835,463.07
  5. Step 5: Solve for x
    x = 14,797,835,463.07/157,421.74
  6. Step 6: Final answer
    x = 94,001.22

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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.