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Finding the Fourth Proportional to 367,122.66, 550,690.07 and 100,881.54

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Solution

The fourth proportional to 367,122.66, 550,690.07 and 100,881.54 is: 151,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,122.66 : 550,690.07 = 100,881.54 : x
  2. Step 2: Convert to fraction form
    367,122.66/550,690.07 = 100,881.54/x
  3. Step 3: Cross multiply
    367,122.66x = 550,690.07 × 100,881.54
  4. Step 4: Simplify right side
    367,122.66x = 55,554,461,819.90
  5. Step 5: Solve for x
    x = 55,554,461,819.90/367,122.66
  6. Step 6: Final answer
    x = 151,323.98

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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.