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Finding the Fourth Proportional to 144,311.01, 216,488.03 and 44,462.85

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Solution

The fourth proportional to 144,311.01, 216,488.03 and 44,462.85 is: 66,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,311.01 : 216,488.03 = 44,462.85 : x
  2. Step 2: Convert to fraction form
    144,311.01/216,488.03 = 44,462.85/x
  3. Step 3: Cross multiply
    144,311.01x = 216,488.03 × 44,462.85
  4. Step 4: Simplify right side
    144,311.01x = 9,625,674,804.69
  5. Step 5: Solve for x
    x = 9,625,674,804.69/144,311.01
  6. Step 6: Final answer
    x = 66,700.90

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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.