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Finding the Fourth Proportional to 273,148.14, 409,764.42 and 93,191.43

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Solution

The fourth proportional to 273,148.14, 409,764.42 and 93,191.43 is: 139,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,148.14 : 409,764.42 = 93,191.43 : x
  2. Step 2: Convert to fraction form
    273,148.14/409,764.42 = 93,191.43/x
  3. Step 3: Cross multiply
    273,148.14x = 409,764.42 × 93,191.43
  4. Step 4: Simplify right side
    273,148.14x = 38,186,532,262.92
  5. Step 5: Solve for x
    x = 38,186,532,262.92/273,148.14
  6. Step 6: Final answer
    x = 139,801.55

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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.