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Finding the Fourth Proportional to 95,323.95, 142,892.98 and 45,390.65

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Solution

The fourth proportional to 95,323.95, 142,892.98 and 45,390.65 is: 68,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,323.95 : 142,892.98 = 45,390.65 : x
  2. Step 2: Convert to fraction form
    95,323.95/142,892.98 = 45,390.65/x
  3. Step 3: Cross multiply
    95,323.95x = 142,892.98 × 45,390.65
  4. Step 4: Simplify right side
    95,323.95x = 6,486,004,414.70
  5. Step 5: Solve for x
    x = 6,486,004,414.70/95,323.95
  6. Step 6: Final answer
    x = 68,041.71

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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.