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Finding the Fourth Proportional to 243,931.54, 365,423.86 and 179,773.15

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Solution

The fourth proportional to 243,931.54, 365,423.86 and 179,773.15 is: 269,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,931.54 : 365,423.86 = 179,773.15 : x
  2. Step 2: Convert to fraction form
    243,931.54/365,423.86 = 179,773.15/x
  3. Step 3: Cross multiply
    243,931.54x = 365,423.86 × 179,773.15
  4. Step 4: Simplify right side
    243,931.54x = 65,693,398,397.36
  5. Step 5: Solve for x
    x = 65,693,398,397.36/243,931.54
  6. Step 6: Final answer
    x = 269,310.80

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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.