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Finding the Fourth Proportional to 110,443.26, 152,407.70 and 67,494.61

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Solution

The fourth proportional to 110,443.26, 152,407.70 and 67,494.61 is: 93,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,443.26 : 152,407.70 = 67,494.61 : x
  2. Step 2: Convert to fraction form
    110,443.26/152,407.70 = 67,494.61/x
  3. Step 3: Cross multiply
    110,443.26x = 152,407.70 × 67,494.61
  4. Step 4: Simplify right side
    110,443.26x = 10,286,697,172.99
  5. Step 5: Solve for x
    x = 10,286,697,172.99/110,443.26
  6. Step 6: Final answer
    x = 93,140.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.