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Finding the Fourth Proportional to 97,101.39, 133,923.20 and 63,560.91

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Solution

The fourth proportional to 97,101.39, 133,923.20 and 63,560.91 is: 87,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,101.39 : 133,923.20 = 63,560.91 : x
  2. Step 2: Convert to fraction form
    97,101.39/133,923.20 = 63,560.91/x
  3. Step 3: Cross multiply
    97,101.39x = 133,923.20 × 63,560.91
  4. Step 4: Simplify right side
    97,101.39x = 8,512,280,144.31
  5. Step 5: Solve for x
    x = 8,512,280,144.31/97,101.39
  6. Step 6: Final answer
    x = 87,663.83

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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.