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Finding the Fourth Proportional to 89,885.76, 124,037.46 and 49,591.59

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Solution

The fourth proportional to 89,885.76, 124,037.46 and 49,591.59 is: 68,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885.76 : 124,037.46 = 49,591.59 : x
  2. Step 2: Convert to fraction form
    89,885.76/124,037.46 = 49,591.59/x
  3. Step 3: Cross multiply
    89,885.76x = 124,037.46 × 49,591.59
  4. Step 4: Simplify right side
    89,885.76x = 6,151,214,860.96
  5. Step 5: Solve for x
    x = 6,151,214,860.96/89,885.76
  6. Step 6: Final answer
    x = 68,433.70

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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.