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Finding the Fourth Proportional to 88,908.83, 122,689.65 and 48,614.77

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Solution

The fourth proportional to 88,908.83, 122,689.65 and 48,614.77 is: 67,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,908.83 : 122,689.65 = 48,614.77 : x
  2. Step 2: Convert to fraction form
    88,908.83/122,689.65 = 48,614.77/x
  3. Step 3: Cross multiply
    88,908.83x = 122,689.65 × 48,614.77
  4. Step 4: Simplify right side
    88,908.83x = 5,964,529,116.13
  5. Step 5: Solve for x
    x = 5,964,529,116.13/88,908.83
  6. Step 6: Final answer
    x = 67,085.90

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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.