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Finding the Fourth Proportional to 64,071.46, 96,052.49 and 45,292.42

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Solution

The fourth proportional to 64,071.46, 96,052.49 and 45,292.42 is: 67,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,071.46 : 96,052.49 = 45,292.42 : x
  2. Step 2: Convert to fraction form
    64,071.46/96,052.49 = 45,292.42/x
  3. Step 3: Cross multiply
    64,071.46x = 96,052.49 × 45,292.42
  4. Step 4: Simplify right side
    64,071.46x = 4,350,449,719.13
  5. Step 5: Solve for x
    x = 4,350,449,719.13/64,071.46
  6. Step 6: Final answer
    x = 67,899.96

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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.