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Finding the Fourth Proportional to 159,568.80, 238,892.40 and 97,360.80

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Solution

The fourth proportional to 159,568.80, 238,892.40 and 97,360.80 is: 145,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,568.80 : 238,892.40 = 97,360.80 : x
  2. Step 2: Convert to fraction form
    159,568.80/238,892.40 = 97,360.80/x
  3. Step 3: Cross multiply
    159,568.80x = 238,892.40 × 97,360.80
  4. Step 4: Simplify right side
    159,568.80x = 23,258,755,177.92
  5. Step 5: Solve for x
    x = 23,258,755,177.92/159,568.80
  6. Step 6: Final answer
    x = 145,760.04

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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.