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Finding the Fourth Proportional to 159,456.80, 238,724.40 and 97,248.80

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Solution

The fourth proportional to 159,456.80, 238,724.40 and 97,248.80 is: 145,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,456.80 : 238,724.40 = 97,248.80 : x
  2. Step 2: Convert to fraction form
    159,456.80/238,724.40 = 97,248.80/x
  3. Step 3: Cross multiply
    159,456.80x = 238,724.40 × 97,248.80
  4. Step 4: Simplify right side
    159,456.80x = 23,215,661,430.72
  5. Step 5: Solve for x
    x = 23,215,661,430.72/159,456.80
  6. Step 6: Final answer
    x = 145,592.17

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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.