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Finding the Fourth Proportional to 89,874.64, 124,002.12 and 58,044.88

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Solution

The fourth proportional to 89,874.64, 124,002.12 and 58,044.88 is: 80,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,874.64 : 124,002.12 = 58,044.88 : x
  2. Step 2: Convert to fraction form
    89,874.64/124,002.12 = 58,044.88/x
  3. Step 3: Cross multiply
    89,874.64x = 124,002.12 × 58,044.88
  4. Step 4: Simplify right side
    89,874.64x = 7,197,688,175.15
  5. Step 5: Solve for x
    x = 7,197,688,175.15/89,874.64
  6. Step 6: Final answer
    x = 80,085.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.