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Finding the Fourth Proportional to 58,300.65, 80,402.09 and 38,151.09

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Solution

The fourth proportional to 58,300.65, 80,402.09 and 38,151.09 is: 52,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,300.65 : 80,402.09 = 38,151.09 : x
  2. Step 2: Convert to fraction form
    58,300.65/80,402.09 = 38,151.09/x
  3. Step 3: Cross multiply
    58,300.65x = 80,402.09 × 38,151.09
  4. Step 4: Simplify right side
    58,300.65x = 3,067,427,181.02
  5. Step 5: Solve for x
    x = 3,067,427,181.02/58,300.65
  6. Step 6: Final answer
    x = 52,613.94

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