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Finding the Fourth Proportional to 97,102.39, 133,924.57 and 63,561.91

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Solution

The fourth proportional to 97,102.39, 133,924.57 and 63,561.91 is: 87,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,102.39 : 133,924.57 = 63,561.91 : x
  2. Step 2: Convert to fraction form
    97,102.39/133,924.57 = 63,561.91/x
  3. Step 3: Cross multiply
    97,102.39x = 133,924.57 × 63,561.91
  4. Step 4: Simplify right side
    97,102.39x = 8,512,501,465.13
  5. Step 5: Solve for x
    x = 8,512,501,465.13/97,102.39
  6. Step 6: Final answer
    x = 87,665.21

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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.