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Finding the Fourth Proportional to 144,672.56, 199,648.44 and 81,010.16

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Solution

The fourth proportional to 144,672.56, 199,648.44 and 81,010.16 is: 111,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,672.56 : 199,648.44 = 81,010.16 : x
  2. Step 2: Convert to fraction form
    144,672.56/199,648.44 = 81,010.16/x
  3. Step 3: Cross multiply
    144,672.56x = 199,648.44 × 81,010.16
  4. Step 4: Simplify right side
    144,672.56x = 16,173,552,068.15
  5. Step 5: Solve for x
    x = 16,173,552,068.15/144,672.56
  6. Step 6: Final answer
    x = 111,794.19

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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.