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Finding the Fourth Proportional to 367,013.48, 550,461.29 and 100,711.80

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Solution

The fourth proportional to 367,013.48, 550,461.29 and 100,711.80 is: 151,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,013.48 : 550,461.29 = 100,711.80 : x
  2. Step 2: Convert to fraction form
    367,013.48/550,461.29 = 100,711.80/x
  3. Step 3: Cross multiply
    367,013.48x = 550,461.29 × 100,711.80
  4. Step 4: Simplify right side
    367,013.48x = 55,437,946,842.66
  5. Step 5: Solve for x
    x = 55,437,946,842.66/367,013.48
  6. Step 6: Final answer
    x = 151,051.53

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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.