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Finding the Fourth Proportional to 97,469.46, 134,530.07 and 63,417.87

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Solution

The fourth proportional to 97,469.46, 134,530.07 and 63,417.87 is: 87,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,469.46 : 134,530.07 = 63,417.87 : x
  2. Step 2: Convert to fraction form
    97,469.46/134,530.07 = 63,417.87/x
  3. Step 3: Cross multiply
    97,469.46x = 134,530.07 × 63,417.87
  4. Step 4: Simplify right side
    97,469.46x = 8,531,610,490.35
  5. Step 5: Solve for x
    x = 8,531,610,490.35/97,469.46
  6. Step 6: Final answer
    x = 87,531.11

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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.