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Finding the Fourth Proportional to 73,285.65, 109,854.46 and 35,279.10

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Solution

The fourth proportional to 73,285.65, 109,854.46 and 35,279.10 is: 52,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,285.65 : 109,854.46 = 35,279.10 : x
  2. Step 2: Convert to fraction form
    73,285.65/109,854.46 = 35,279.10/x
  3. Step 3: Cross multiply
    73,285.65x = 109,854.46 × 35,279.10
  4. Step 4: Simplify right side
    73,285.65x = 3,875,566,479.79
  5. Step 5: Solve for x
    x = 3,875,566,479.79/73,285.65
  6. Step 6: Final answer
    x = 52,883.02

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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.