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Finding the Fourth Proportional to 345,005.04, 517,507.52 and 95,687.04

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Solution

The fourth proportional to 345,005.04, 517,507.52 and 95,687.04 is: 143,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,005.04 : 517,507.52 = 95,687.04 : x
  2. Step 2: Convert to fraction form
    345,005.04/517,507.52 = 95,687.04/x
  3. Step 3: Cross multiply
    345,005.04x = 517,507.52 × 95,687.04
  4. Step 4: Simplify right side
    345,005.04x = 49,518,762,766.54
  5. Step 5: Solve for x
    x = 49,518,762,766.54/345,005.04
  6. Step 6: Final answer
    x = 143,530.55

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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.