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Finding the Fourth Proportional to 67,537.40, 101,680.09 and 59,685

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Solution

The fourth proportional to 67,537.40, 101,680.09 and 59,685 is: 89,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,537.40 : 101,680.09 = 59,685 : x
  2. Step 2: Convert to fraction form
    67,537.40/101,680.09 = 59,685/x
  3. Step 3: Cross multiply
    67,537.40x = 101,680.09 × 59,685
  4. Step 4: Simplify right side
    67,537.40x = 6,068,776,171.65
  5. Step 5: Solve for x
    x = 6,068,776,171.65/67,537.40
  6. Step 6: Final answer
    x = 89,858.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.