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Finding the Fourth Proportional to 367,147.49, 550,586.66 and 127,199.42

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Solution

The fourth proportional to 367,147.49, 550,586.66 and 127,199.42 is: 190,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,147.49 : 550,586.66 = 127,199.42 : x
  2. Step 2: Convert to fraction form
    367,147.49/550,586.66 = 127,199.42/x
  3. Step 3: Cross multiply
    367,147.49x = 550,586.66 × 127,199.42
  4. Step 4: Simplify right side
    367,147.49x = 70,034,300,422.81
  5. Step 5: Solve for x
    x = 70,034,300,422.81/367,147.49
  6. Step 6: Final answer
    x = 190,752.50

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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.