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Finding the Fourth Proportional to 73,699.98, 101,706.31 and 41,870.62

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Solution

The fourth proportional to 73,699.98, 101,706.31 and 41,870.62 is: 57,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,699.98 : 101,706.31 = 41,870.62 : x
  2. Step 2: Convert to fraction form
    73,699.98/101,706.31 = 41,870.62/x
  3. Step 3: Cross multiply
    73,699.98x = 101,706.31 × 41,870.62
  4. Step 4: Simplify right side
    73,699.98x = 4,258,506,257.61
  5. Step 5: Solve for x
    x = 4,258,506,257.61/73,699.98
  6. Step 6: Final answer
    x = 57,781.65

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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.