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Finding the Fourth Proportional to 195,737.88, 270,105.48 and 115,149.84

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Solution

The fourth proportional to 195,737.88, 270,105.48 and 115,149.84 is: 158,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,737.88 : 270,105.48 = 115,149.84 : x
  2. Step 2: Convert to fraction form
    195,737.88/270,105.48 = 115,149.84/x
  3. Step 3: Cross multiply
    195,737.88x = 270,105.48 × 115,149.84
  4. Step 4: Simplify right side
    195,737.88x = 31,102,602,805.12
  5. Step 5: Solve for x
    x = 31,102,602,805.12/195,737.88
  6. Step 6: Final answer
    x = 158,899.25

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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.