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Finding the Fourth Proportional to 243,378.55, 365,068.11 and 63,463.82

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Solution

The fourth proportional to 243,378.55, 365,068.11 and 63,463.82 is: 95,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,378.55 : 365,068.11 = 63,463.82 : x
  2. Step 2: Convert to fraction form
    243,378.55/365,068.11 = 63,463.82/x
  3. Step 3: Cross multiply
    243,378.55x = 365,068.11 × 63,463.82
  4. Step 4: Simplify right side
    243,378.55x = 23,168,617,019.20
  5. Step 5: Solve for x
    x = 23,168,617,019.20/243,378.55
  6. Step 6: Final answer
    x = 95,195.80

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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.