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Finding the Fourth Proportional to 67,763.93, 93,529.76 and 45,103.91

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Solution

The fourth proportional to 67,763.93, 93,529.76 and 45,103.91 is: 62,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,763.93 : 93,529.76 = 45,103.91 : x
  2. Step 2: Convert to fraction form
    67,763.93/93,529.76 = 45,103.91/x
  3. Step 3: Cross multiply
    67,763.93x = 93,529.76 × 45,103.91
  4. Step 4: Simplify right side
    67,763.93x = 4,218,557,184.19
  5. Step 5: Solve for x
    x = 4,218,557,184.19/67,763.93
  6. Step 6: Final answer
    x = 62,253.73

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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.