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Finding the Fourth Proportional to 144,263.72, 199,084.02 and 80,601.51

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Solution

The fourth proportional to 144,263.72, 199,084.02 and 80,601.51 is: 111,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,263.72 : 199,084.02 = 80,601.51 : x
  2. Step 2: Convert to fraction form
    144,263.72/199,084.02 = 80,601.51/x
  3. Step 3: Cross multiply
    144,263.72x = 199,084.02 × 80,601.51
  4. Step 4: Simplify right side
    144,263.72x = 16,046,472,628.87
  5. Step 5: Solve for x
    x = 16,046,472,628.87/144,263.72
  6. Step 6: Final answer
    x = 111,230.14

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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.