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Finding the Fourth Proportional to 250,046.64, 375,082.04 and 81,566.64

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Solution

The fourth proportional to 250,046.64, 375,082.04 and 81,566.64 is: 122,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,046.64 : 375,082.04 = 81,566.64 : x
  2. Step 2: Convert to fraction form
    250,046.64/375,082.04 = 81,566.64/x
  3. Step 3: Cross multiply
    250,046.64x = 375,082.04 × 81,566.64
  4. Step 4: Simplify right side
    250,046.64x = 30,594,181,931.06
  5. Step 5: Solve for x
    x = 30,594,181,931.06/250,046.64
  6. Step 6: Final answer
    x = 122,353.90

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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.