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Finding the Fourth Proportional to 169,727, 254,590.50 and 58,919

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Solution

The fourth proportional to 169,727, 254,590.50 and 58,919 is: 88,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,727 : 254,590.50 = 58,919 : x
  2. Step 2: Convert to fraction form
    169,727/254,590.50 = 58,919/x
  3. Step 3: Cross multiply
    169,727x = 254,590.50 × 58,919
  4. Step 4: Simplify right side
    169,727x = 15,000,217,669.50
  5. Step 5: Solve for x
    x = 15,000,217,669.50/169,727
  6. Step 6: Final answer
    x = 88,378.50

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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.