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Finding the Fourth Proportional to 144,618.66, 199,562.67 and 80,947.80

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Solution

The fourth proportional to 144,618.66, 199,562.67 and 80,947.80 is: 111,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,618.66 : 199,562.67 = 80,947.80 : x
  2. Step 2: Convert to fraction form
    144,618.66/199,562.67 = 80,947.80/x
  3. Step 3: Cross multiply
    144,618.66x = 199,562.67 × 80,947.80
  4. Step 4: Simplify right side
    144,618.66x = 16,154,159,098.63
  5. Step 5: Solve for x
    x = 16,154,159,098.63/144,618.66
  6. Step 6: Final answer
    x = 111,701.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.