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Finding the Fourth Proportional to 239,394, 359,101.92 and 89,595.56

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Solution

The fourth proportional to 239,394, 359,101.92 and 89,595.56 is: 134,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,394 : 359,101.92 = 89,595.56 : x
  2. Step 2: Convert to fraction form
    239,394/359,101.92 = 89,595.56/x
  3. Step 3: Cross multiply
    239,394x = 359,101.92 × 89,595.56
  4. Step 4: Simplify right side
    239,394x = 32,173,937,619.48
  5. Step 5: Solve for x
    x = 32,173,937,619.48/239,394
  6. Step 6: Final answer
    x = 134,397.43

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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.