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Finding the Fourth Proportional to 144,033.80, 215,532.30 and 97,377.80

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Solution

The fourth proportional to 144,033.80, 215,532.30 and 97,377.80 is: 145,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,033.80 : 215,532.30 = 97,377.80 : x
  2. Step 2: Convert to fraction form
    144,033.80/215,532.30 = 97,377.80/x
  3. Step 3: Cross multiply
    144,033.80x = 215,532.30 × 97,377.80
  4. Step 4: Simplify right side
    144,033.80x = 20,988,061,202.94
  5. Step 5: Solve for x
    x = 20,988,061,202.94/144,033.80
  6. Step 6: Final answer
    x = 145,716.22

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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.