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Finding the Fourth Proportional to 96,016.70, 144,025.05 and 80,810.30

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Solution

The fourth proportional to 96,016.70, 144,025.05 and 80,810.30 is: 121,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,016.70 : 144,025.05 = 80,810.30 : x
  2. Step 2: Convert to fraction form
    96,016.70/144,025.05 = 80,810.30/x
  3. Step 3: Cross multiply
    96,016.70x = 144,025.05 × 80,810.30
  4. Step 4: Simplify right side
    96,016.70x = 11,638,707,498.02
  5. Step 5: Solve for x
    x = 11,638,707,498.02/96,016.70
  6. Step 6: Final answer
    x = 121,215.45

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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.