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Finding the Fourth Proportional to 239,498.51, 359,433.72 and 89,874.90

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Solution

The fourth proportional to 239,498.51, 359,433.72 and 89,874.90 is: 134,882.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,498.51 : 359,433.72 = 89,874.90 : x
  2. Step 2: Convert to fraction form
    239,498.51/359,433.72 = 89,874.90/x
  3. Step 3: Cross multiply
    239,498.51x = 359,433.72 × 89,874.90
  4. Step 4: Simplify right side
    239,498.51x = 32,304,069,641.63
  5. Step 5: Solve for x
    x = 32,304,069,641.63/239,498.51
  6. Step 6: Final answer
    x = 134,882.13

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1.5x scale

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.