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Finding the Fourth Proportional to 110,431.45, 152,391.25 and 67,482.76

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Solution

The fourth proportional to 110,431.45, 152,391.25 and 67,482.76 is: 93,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,431.45 : 152,391.25 = 67,482.76 : x
  2. Step 2: Convert to fraction form
    110,431.45/152,391.25 = 67,482.76/x
  3. Step 3: Cross multiply
    110,431.45x = 152,391.25 × 67,482.76
  4. Step 4: Simplify right side
    110,431.45x = 10,283,781,050.48
  5. Step 5: Solve for x
    x = 10,283,781,050.48/110,431.45
  6. Step 6: Final answer
    x = 93,123.66

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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.