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Finding the Fourth Proportional to 89,503.76, 123,484.46 and 55,500.02

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Solution

The fourth proportional to 89,503.76, 123,484.46 and 55,500.02 is: 76,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,503.76 : 123,484.46 = 55,500.02 : x
  2. Step 2: Convert to fraction form
    89,503.76/123,484.46 = 55,500.02/x
  3. Step 3: Cross multiply
    89,503.76x = 123,484.46 × 55,500.02
  4. Step 4: Simplify right side
    89,503.76x = 6,853,389,104.77
  5. Step 5: Solve for x
    x = 6,853,389,104.77/89,503.76
  6. Step 6: Final answer
    x = 76,570.96

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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.