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Finding the Fourth Proportional to 64,921.68, 97,382.52 and 59,167.44

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Solution

The fourth proportional to 64,921.68, 97,382.52 and 59,167.44 is: 88,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,921.68 : 97,382.52 = 59,167.44 : x
  2. Step 2: Convert to fraction form
    64,921.68/97,382.52 = 59,167.44/x
  3. Step 3: Cross multiply
    64,921.68x = 97,382.52 × 59,167.44
  4. Step 4: Simplify right side
    64,921.68x = 5,761,874,409.15
  5. Step 5: Solve for x
    x = 5,761,874,409.15/64,921.68
  6. Step 6: Final answer
    x = 88,751.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.