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Finding the Fourth Proportional to 77,337.65, 115,992.57 and 35,207.66

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Solution

The fourth proportional to 77,337.65, 115,992.57 and 35,207.66 is: 52,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,337.65 : 115,992.57 = 35,207.66 : x
  2. Step 2: Convert to fraction form
    77,337.65/115,992.57 = 35,207.66/x
  3. Step 3: Cross multiply
    77,337.65x = 115,992.57 × 35,207.66
  4. Step 4: Simplify right side
    77,337.65x = 4,083,826,967.09
  5. Step 5: Solve for x
    x = 4,083,826,967.09/77,337.65
  6. Step 6: Final answer
    x = 52,805.16

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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.