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Finding the Fourth Proportional to 67,376.40, 101,064.60 and 59,859.60

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Solution

The fourth proportional to 67,376.40, 101,064.60 and 59,859.60 is: 89,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,376.40 : 101,064.60 = 59,859.60 : x
  2. Step 2: Convert to fraction form
    67,376.40/101,064.60 = 59,859.60/x
  3. Step 3: Cross multiply
    67,376.40x = 101,064.60 × 59,859.60
  4. Step 4: Simplify right side
    67,376.40x = 6,049,686,530.16
  5. Step 5: Solve for x
    x = 6,049,686,530.16/67,376.40
  6. Step 6: Final answer
    x = 89,789.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.