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Finding the Fourth Proportional to 239,725.61, 359,494.41 and 89,884.21

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Solution

The fourth proportional to 239,725.61, 359,494.41 and 89,884.21 is: 134,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,725.61 : 359,494.41 = 89,884.21 : x
  2. Step 2: Convert to fraction form
    239,725.61/359,494.41 = 89,884.21/x
  3. Step 3: Cross multiply
    239,725.61x = 359,494.41 × 89,884.21
  4. Step 4: Simplify right side
    239,725.61x = 32,312,871,042.27
  5. Step 5: Solve for x
    x = 32,312,871,042.27/239,725.61
  6. Step 6: Final answer
    x = 134,791.07

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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.