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Finding the Fourth Proportional to 159,332.34, 238,654.48 and 74,966.08

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Solution

The fourth proportional to 159,332.34, 238,654.48 and 74,966.08 is: 112,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,332.34 : 238,654.48 = 74,966.08 : x
  2. Step 2: Convert to fraction form
    159,332.34/238,654.48 = 74,966.08/x
  3. Step 3: Cross multiply
    159,332.34x = 238,654.48 × 74,966.08
  4. Step 4: Simplify right side
    159,332.34x = 17,890,991,104.40
  5. Step 5: Solve for x
    x = 17,890,991,104.40/159,332.34
  6. Step 6: Final answer
    x = 112,287.25

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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.