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Finding the Fourth Proportional to 175,873.69, 263,808.15 and 42,753.52

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Solution

The fourth proportional to 175,873.69, 263,808.15 and 42,753.52 is: 64,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,873.69 : 263,808.15 = 42,753.52 : x
  2. Step 2: Convert to fraction form
    175,873.69/263,808.15 = 42,753.52/x
  3. Step 3: Cross multiply
    175,873.69x = 263,808.15 × 42,753.52
  4. Step 4: Simplify right side
    175,873.69x = 11,278,727,017.19
  5. Step 5: Solve for x
    x = 11,278,727,017.19/175,873.69
  6. Step 6: Final answer
    x = 64,129.70

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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.