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Finding the Fourth Proportional to 88,471, 122,089.98 and 48,727

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Solution

The fourth proportional to 88,471, 122,089.98 and 48,727 is: 67,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,471 : 122,089.98 = 48,727 : x
  2. Step 2: Convert to fraction form
    88,471/122,089.98 = 48,727/x
  3. Step 3: Cross multiply
    88,471x = 122,089.98 × 48,727
  4. Step 4: Simplify right side
    88,471x = 5,949,078,455.46
  5. Step 5: Solve for x
    x = 5,949,078,455.46/88,471
  6. Step 6: Final answer
    x = 67,243.26

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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.