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Finding the Fourth Proportional to 63,133.92, 87,125.22 and 34,455.60

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Solution

The fourth proportional to 63,133.92, 87,125.22 and 34,455.60 is: 47,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,133.92 : 87,125.22 = 34,455.60 : x
  2. Step 2: Convert to fraction form
    63,133.92/87,125.22 = 34,455.60/x
  3. Step 3: Cross multiply
    63,133.92x = 87,125.22 × 34,455.60
  4. Step 4: Simplify right side
    63,133.92x = 3,001,951,730.23
  5. Step 5: Solve for x
    x = 3,001,951,730.23/63,133.92
  6. Step 6: Final answer
    x = 47,548.95

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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.