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Finding the Fourth Proportional to 195,572.61, 270,112.32 and 131,799.69

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Solution

The fourth proportional to 195,572.61, 270,112.32 and 131,799.69 is: 182,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,572.61 : 270,112.32 = 131,799.69 : x
  2. Step 2: Convert to fraction form
    195,572.61/270,112.32 = 131,799.69/x
  3. Step 3: Cross multiply
    195,572.61x = 270,112.32 × 131,799.69
  4. Step 4: Simplify right side
    195,572.61x = 35,600,720,041.18
  5. Step 5: Solve for x
    x = 35,600,720,041.18/195,572.61
  6. Step 6: Final answer
    x = 182,033.26

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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.