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Finding the Fourth Proportional to 243,882.84, 365,787.35 and 66,403.83

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Solution

The fourth proportional to 243,882.84, 365,787.35 and 66,403.83 is: 99,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,882.84 : 365,787.35 = 66,403.83 : x
  2. Step 2: Convert to fraction form
    243,882.84/365,787.35 = 66,403.83/x
  3. Step 3: Cross multiply
    243,882.84x = 365,787.35 × 66,403.83
  4. Step 4: Simplify right side
    243,882.84x = 24,289,680,673.53
  5. Step 5: Solve for x
    x = 24,289,680,673.53/243,882.84
  6. Step 6: Final answer
    x = 99,595.69

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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.