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Finding the Fourth Proportional to 110,281.53, 152,139.71 and 67,814.97

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Solution

The fourth proportional to 110,281.53, 152,139.71 and 67,814.97 is: 93,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,281.53 : 152,139.71 = 67,814.97 : x
  2. Step 2: Convert to fraction form
    110,281.53/152,139.71 = 67,814.97/x
  3. Step 3: Cross multiply
    110,281.53x = 152,139.71 × 67,814.97
  4. Step 4: Simplify right side
    110,281.53x = 10,317,349,530.38
  5. Step 5: Solve for x
    x = 10,317,349,530.38/110,281.53
  6. Step 6: Final answer
    x = 93,554.65

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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.