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Finding the Fourth Proportional to 66,925.16, 100,370.90 and 27,493.16

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Solution

The fourth proportional to 66,925.16, 100,370.90 and 27,493.16 is: 41,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,925.16 : 100,370.90 = 27,493.16 : x
  2. Step 2: Convert to fraction form
    66,925.16/100,370.90 = 27,493.16/x
  3. Step 3: Cross multiply
    66,925.16x = 100,370.90 × 27,493.16
  4. Step 4: Simplify right side
    66,925.16x = 2,759,513,213.04
  5. Step 5: Solve for x
    x = 2,759,513,213.04/66,925.16
  6. Step 6: Final answer
    x = 41,232.82

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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.