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Finding the Fourth Proportional to 67,797.19, 101,695.48 and 28,332.78

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Solution

The fourth proportional to 67,797.19, 101,695.48 and 28,332.78 is: 42,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,797.19 : 101,695.48 = 28,332.78 : x
  2. Step 2: Convert to fraction form
    67,797.19/101,695.48 = 28,332.78/x
  3. Step 3: Cross multiply
    67,797.19x = 101,695.48 × 28,332.78
  4. Step 4: Simplify right side
    67,797.19x = 2,881,315,661.83
  5. Step 5: Solve for x
    x = 2,881,315,661.83/67,797.19
  6. Step 6: Final answer
    x = 42,499.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.