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Finding the Fourth Proportional to 79,527.52, 109,747.99 and 45,547.27

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Solution

The fourth proportional to 79,527.52, 109,747.99 and 45,547.27 is: 62,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,527.52 : 109,747.99 = 45,547.27 : x
  2. Step 2: Convert to fraction form
    79,527.52/109,747.99 = 45,547.27/x
  3. Step 3: Cross multiply
    79,527.52x = 109,747.99 × 45,547.27
  4. Step 4: Simplify right side
    79,527.52x = 4,998,721,758.62
  5. Step 5: Solve for x
    x = 4,998,721,758.62/79,527.52
  6. Step 6: Final answer
    x = 62,855.24

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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.