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Finding the Fourth Proportional to 88,448, 122,060.48 and 48,704

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Solution

The fourth proportional to 88,448, 122,060.48 and 48,704 is: 67,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,448 : 122,060.48 = 48,704 : x
  2. Step 2: Convert to fraction form
    88,448/122,060.48 = 48,704/x
  3. Step 3: Cross multiply
    88,448x = 122,060.48 × 48,704
  4. Step 4: Simplify right side
    88,448x = 5,944,833,617.92
  5. Step 5: Solve for x
    x = 5,944,833,617.92/88,448
  6. Step 6: Final answer
    x = 67,212.75

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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.