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Finding the Fourth Proportional to 177,572.59, 245,046.15 and 97,000.47

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Solution

The fourth proportional to 177,572.59, 245,046.15 and 97,000.47 is: 133,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,572.59 : 245,046.15 = 97,000.47 : x
  2. Step 2: Convert to fraction form
    177,572.59/245,046.15 = 97,000.47/x
  3. Step 3: Cross multiply
    177,572.59x = 245,046.15 × 97,000.47
  4. Step 4: Simplify right side
    177,572.59x = 23,769,591,721.69
  5. Step 5: Solve for x
    x = 23,769,591,721.69/177,572.59
  6. Step 6: Final answer
    x = 133,858.45

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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.