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Finding the Fourth Proportional to 96,371.40, 144,554.40 and 43,780.80

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Solution

The fourth proportional to 96,371.40, 144,554.40 and 43,780.80 is: 65,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,371.40 : 144,554.40 = 43,780.80 : x
  2. Step 2: Convert to fraction form
    96,371.40/144,554.40 = 43,780.80/x
  3. Step 3: Cross multiply
    96,371.40x = 144,554.40 × 43,780.80
  4. Step 4: Simplify right side
    96,371.40x = 6,328,707,275.52
  5. Step 5: Solve for x
    x = 6,328,707,275.52/96,371.40
  6. Step 6: Final answer
    x = 65,669.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.