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Finding the Fourth Proportional to 88,657.92, 122,342.40 and 48,913.92

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Solution

The fourth proportional to 88,657.92, 122,342.40 and 48,913.92 is: 67,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,657.92 : 122,342.40 = 48,913.92 : x
  2. Step 2: Convert to fraction form
    88,657.92/122,342.40 = 48,913.92/x
  3. Step 3: Cross multiply
    88,657.92x = 122,342.40 × 48,913.92
  4. Step 4: Simplify right side
    88,657.92x = 5,984,246,366.21
  5. Step 5: Solve for x
    x = 5,984,246,366.21/88,657.92
  6. Step 6: Final answer
    x = 67,498.16

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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.