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Finding the Fourth Proportional to 144,860.33, 199,916.48 and 81,198.13

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Solution

The fourth proportional to 144,860.33, 199,916.48 and 81,198.13 is: 112,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,860.33 : 199,916.48 = 81,198.13 : x
  2. Step 2: Convert to fraction form
    144,860.33/199,916.48 = 81,198.13/x
  3. Step 3: Cross multiply
    144,860.33x = 199,916.48 × 81,198.13
  4. Step 4: Simplify right side
    144,860.33x = 16,232,844,332.18
  5. Step 5: Solve for x
    x = 16,232,844,332.18/144,860.33
  6. Step 6: Final answer
    x = 112,058.59

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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.