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Finding the Fourth Proportional to 123,693.32, 185,392.36 and 67,547.56

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Solution

The fourth proportional to 123,693.32, 185,392.36 and 67,547.56 is: 101,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,693.32 : 185,392.36 = 67,547.56 : x
  2. Step 2: Convert to fraction form
    123,693.32/185,392.36 = 67,547.56/x
  3. Step 3: Cross multiply
    123,693.32x = 185,392.36 × 67,547.56
  4. Step 4: Simplify right side
    123,693.32x = 12,522,801,560.64
  5. Step 5: Solve for x
    x = 12,522,801,560.64/123,693.32
  6. Step 6: Final answer
    x = 101,240.73

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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.