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Finding the Fourth Proportional to 74,097.98, 102,182.40 and 67,951.02

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Solution

The fourth proportional to 74,097.98, 102,182.40 and 67,951.02 is: 93,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,097.98 : 102,182.40 = 67,951.02 : x
  2. Step 2: Convert to fraction form
    74,097.98/102,182.40 = 67,951.02/x
  3. Step 3: Cross multiply
    74,097.98x = 102,182.40 × 67,951.02
  4. Step 4: Simplify right side
    74,097.98x = 6,943,398,306.05
  5. Step 5: Solve for x
    x = 6,943,398,306.05/74,097.98
  6. Step 6: Final answer
    x = 93,705.64

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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.