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Finding the Fourth Proportional to 109,116.69, 163,715.02 and 45,952.71

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Solution

The fourth proportional to 109,116.69, 163,715.02 and 45,952.71 is: 68,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,116.69 : 163,715.02 = 45,952.71 : x
  2. Step 2: Convert to fraction form
    109,116.69/163,715.02 = 45,952.71/x
  3. Step 3: Cross multiply
    109,116.69x = 163,715.02 × 45,952.71
  4. Step 4: Simplify right side
    109,116.69x = 7,523,149,278.31
  5. Step 5: Solve for x
    x = 7,523,149,278.31/109,116.69
  6. Step 6: Final answer
    x = 68,945.91

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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.