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Finding the Fourth Proportional to 239,712.96, 359,476.02 and 89,871.51

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Solution

The fourth proportional to 239,712.96, 359,476.02 and 89,871.51 is: 134,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,712.96 : 359,476.02 = 89,871.51 : x
  2. Step 2: Convert to fraction form
    239,712.96/359,476.02 = 89,871.51/x
  3. Step 3: Cross multiply
    239,712.96x = 359,476.02 × 89,871.51
  4. Step 4: Simplify right side
    239,712.96x = 32,306,652,726.19
  5. Step 5: Solve for x
    x = 32,306,652,726.19/239,712.96
  6. Step 6: Final answer
    x = 134,772.24

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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.