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Finding the Fourth Proportional to 240,773.86, 360,963.66 and 90,929.08

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Solution

The fourth proportional to 240,773.86, 360,963.66 and 90,929.08 is: 136,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,773.86 : 360,963.66 = 90,929.08 : x
  2. Step 2: Convert to fraction form
    240,773.86/360,963.66 = 90,929.08/x
  3. Step 3: Cross multiply
    240,773.86x = 360,963.66 × 90,929.08
  4. Step 4: Simplify right side
    240,773.86x = 32,822,093,517.23
  5. Step 5: Solve for x
    x = 32,822,093,517.23/240,773.86
  6. Step 6: Final answer
    x = 136,319.17

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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.