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Finding the Fourth Proportional to 136,753.13, 205,062.15 and 41,960.63

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Solution

The fourth proportional to 136,753.13, 205,062.15 and 41,960.63 is: 62,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,753.13 : 205,062.15 = 41,960.63 : x
  2. Step 2: Convert to fraction form
    136,753.13/205,062.15 = 41,960.63/x
  3. Step 3: Cross multiply
    136,753.13x = 205,062.15 × 41,960.63
  4. Step 4: Simplify right side
    136,753.13x = 8,604,537,003.15
  5. Step 5: Solve for x
    x = 8,604,537,003.15/136,753.13
  6. Step 6: Final answer
    x = 62,920.22

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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.