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Finding the Fourth Proportional to 86,499.88, 119,369.62 and 48,773.88

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Solution

The fourth proportional to 86,499.88, 119,369.62 and 48,773.88 is: 67,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,499.88 : 119,369.62 = 48,773.88 : x
  2. Step 2: Convert to fraction form
    86,499.88/119,369.62 = 48,773.88/x
  3. Step 3: Cross multiply
    86,499.88x = 119,369.62 × 48,773.88
  4. Step 4: Simplify right side
    86,499.88x = 5,822,119,521.53
  5. Step 5: Solve for x
    x = 5,822,119,521.53/86,499.88
  6. Step 6: Final answer
    x = 67,307.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.