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Finding the Fourth Proportional to 64,132.92, 95,684.31 and 57,497.40

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Solution

The fourth proportional to 64,132.92, 95,684.31 and 57,497.40 is: 85,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,132.92 : 95,684.31 = 57,497.40 : x
  2. Step 2: Convert to fraction form
    64,132.92/95,684.31 = 57,497.40/x
  3. Step 3: Cross multiply
    64,132.92x = 95,684.31 × 57,497.40
  4. Step 4: Simplify right side
    64,132.92x = 5,501,599,045.79
  5. Step 5: Solve for x
    x = 5,501,599,045.79/64,132.92
  6. Step 6: Final answer
    x = 85,784.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.