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Finding the Fourth Proportional to 113,001.96, 155,947.59 and 67,671.27

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Solution

The fourth proportional to 113,001.96, 155,947.59 and 67,671.27 is: 93,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,001.96 : 155,947.59 = 67,671.27 : x
  2. Step 2: Convert to fraction form
    113,001.96/155,947.59 = 67,671.27/x
  3. Step 3: Cross multiply
    113,001.96x = 155,947.59 × 67,671.27
  4. Step 4: Simplify right side
    113,001.96x = 10,553,171,468.74
  5. Step 5: Solve for x
    x = 10,553,171,468.74/113,001.96
  6. Step 6: Final answer
    x = 93,389.28

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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.