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Finding the Fourth Proportional to 144,510.06, 199,431.63 and 80,844.06

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Solution

The fourth proportional to 144,510.06, 199,431.63 and 80,844.06 is: 111,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,510.06 : 199,431.63 = 80,844.06 : x
  2. Step 2: Convert to fraction form
    144,510.06/199,431.63 = 80,844.06/x
  3. Step 3: Cross multiply
    144,510.06x = 199,431.63 × 80,844.06
  4. Step 4: Simplify right side
    144,510.06x = 16,122,862,661.62
  5. Step 5: Solve for x
    x = 16,122,862,661.62/144,510.06
  6. Step 6: Final answer
    x = 111,569.14

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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.