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Finding the Fourth Proportional to 42,154.92, 63,184.38 and 14,068.38

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Solution

The fourth proportional to 42,154.92, 63,184.38 and 14,068.38 is: 21,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154.92 : 63,184.38 = 14,068.38 : x
  2. Step 2: Convert to fraction form
    42,154.92/63,184.38 = 14,068.38/x
  3. Step 3: Cross multiply
    42,154.92x = 63,184.38 × 14,068.38
  4. Step 4: Simplify right side
    42,154.92x = 888,901,867.90
  5. Step 5: Solve for x
    x = 888,901,867.90/42,154.92
  6. Step 6: Final answer
    x = 21,086.55

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