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Finding the Fourth Proportional to 243,919.71, 365,612.66 and 125,598.15

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Solution

The fourth proportional to 243,919.71, 365,612.66 and 125,598.15 is: 188,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,919.71 : 365,612.66 = 125,598.15 : x
  2. Step 2: Convert to fraction form
    243,919.71/365,612.66 = 125,598.15/x
  3. Step 3: Cross multiply
    243,919.71x = 365,612.66 × 125,598.15
  4. Step 4: Simplify right side
    243,919.71x = 45,920,273,084.59
  5. Step 5: Solve for x
    x = 45,920,273,084.59/243,919.71
  6. Step 6: Final answer
    x = 188,259.79

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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.