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Finding the Fourth Proportional to 150,344.88, 207,473.40 and 83,275.44

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Solution

The fourth proportional to 150,344.88, 207,473.40 and 83,275.44 is: 114,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,344.88 : 207,473.40 = 83,275.44 : x
  2. Step 2: Convert to fraction form
    150,344.88/207,473.40 = 83,275.44/x
  3. Step 3: Cross multiply
    150,344.88x = 207,473.40 × 83,275.44
  4. Step 4: Simplify right side
    150,344.88x = 17,277,438,673.30
  5. Step 5: Solve for x
    x = 17,277,438,673.30/150,344.88
  6. Step 6: Final answer
    x = 114,918.70

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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.