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Finding the Fourth Proportional to 182,909.76, 274,375.44 and 70,590.72

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Solution

The fourth proportional to 182,909.76, 274,375.44 and 70,590.72 is: 105,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,909.76 : 274,375.44 = 70,590.72 : x
  2. Step 2: Convert to fraction form
    182,909.76/274,375.44 = 70,590.72/x
  3. Step 3: Cross multiply
    182,909.76x = 274,375.44 × 70,590.72
  4. Step 4: Simplify right side
    182,909.76x = 19,368,359,859.92
  5. Step 5: Solve for x
    x = 19,368,359,859.92/182,909.76
  6. Step 6: Final answer
    x = 105,890.25

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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.