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Finding the Fourth Proportional to 96,040.40, 143,945.40 and 49,269.20

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Solution

The fourth proportional to 96,040.40, 143,945.40 and 49,269.20 is: 73,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,040.40 : 143,945.40 = 49,269.20 : x
  2. Step 2: Convert to fraction form
    96,040.40/143,945.40 = 49,269.20/x
  3. Step 3: Cross multiply
    96,040.40x = 143,945.40 × 49,269.20
  4. Step 4: Simplify right side
    96,040.40x = 7,092,074,701.68
  5. Step 5: Solve for x
    x = 7,092,074,701.68/96,040.40
  6. Step 6: Final answer
    x = 73,844.70

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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.