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Finding the Fourth Proportional to 345,009.04, 517,513.52 and 95,691.04

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Solution

The fourth proportional to 345,009.04, 517,513.52 and 95,691.04 is: 143,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,009.04 : 517,513.52 = 95,691.04 : x
  2. Step 2: Convert to fraction form
    345,009.04/517,513.52 = 95,691.04/x
  3. Step 3: Cross multiply
    345,009.04x = 517,513.52 × 95,691.04
  4. Step 4: Simplify right side
    345,009.04x = 49,521,406,942.86
  5. Step 5: Solve for x
    x = 49,521,406,942.86/345,009.04
  6. Step 6: Final answer
    x = 143,536.55

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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.