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Finding the Fourth Proportional to 144,229.61, 216,338.13 and 44,399.94

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Solution

The fourth proportional to 144,229.61, 216,338.13 and 44,399.94 is: 66,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,229.61 : 216,338.13 = 44,399.94 : x
  2. Step 2: Convert to fraction form
    144,229.61/216,338.13 = 44,399.94/x
  3. Step 3: Cross multiply
    144,229.61x = 216,338.13 × 44,399.94
  4. Step 4: Simplify right side
    144,229.61x = 9,605,399,991.71
  5. Step 5: Solve for x
    x = 9,605,399,991.71/144,229.61
  6. Step 6: Final answer
    x = 66,597.98

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1.5x scale

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.