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Finding the Fourth Proportional to 89,671.84, 134,360.12 and 62,656.92

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Solution

The fourth proportional to 89,671.84, 134,360.12 and 62,656.92 is: 93,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,671.84 : 134,360.12 = 62,656.92 : x
  2. Step 2: Convert to fraction form
    89,671.84/134,360.12 = 62,656.92/x
  3. Step 3: Cross multiply
    89,671.84x = 134,360.12 × 62,656.92
  4. Step 4: Simplify right side
    89,671.84x = 8,418,591,446.67
  5. Step 5: Solve for x
    x = 8,418,591,446.67/89,671.84
  6. Step 6: Final answer
    x = 93,882.22

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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.