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Finding the Fourth Proportional to 64,251.98, 88,695.52 and 48,340.34

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Solution

The fourth proportional to 64,251.98, 88,695.52 and 48,340.34 is: 66,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,251.98 : 88,695.52 = 48,340.34 : x
  2. Step 2: Convert to fraction form
    64,251.98/88,695.52 = 48,340.34/x
  3. Step 3: Cross multiply
    64,251.98x = 88,695.52 × 48,340.34
  4. Step 4: Simplify right side
    64,251.98x = 4,287,571,593.28
  5. Step 5: Solve for x
    x = 4,287,571,593.28/64,251.98
  6. Step 6: Final answer
    x = 66,730.58

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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.