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Finding the Fourth Proportional to 292,727.76, 403,964.72 and 158,591.76

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Solution

The fourth proportional to 292,727.76, 403,964.72 and 158,591.76 is: 218,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,727.76 : 403,964.72 = 158,591.76 : x
  2. Step 2: Convert to fraction form
    292,727.76/403,964.72 = 158,591.76/x
  3. Step 3: Cross multiply
    292,727.76x = 403,964.72 × 158,591.76
  4. Step 4: Simplify right side
    292,727.76x = 64,065,475,922.71
  5. Step 5: Solve for x
    x = 64,065,475,922.71/292,727.76
  6. Step 6: Final answer
    x = 218,856.85

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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.