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Finding the Fourth Proportional to 171,332.01, 256,531.46 and 133,249.05

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Solution

The fourth proportional to 171,332.01, 256,531.46 and 133,249.05 is: 199,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,332.01 : 256,531.46 = 133,249.05 : x
  2. Step 2: Convert to fraction form
    171,332.01/256,531.46 = 133,249.05/x
  3. Step 3: Cross multiply
    171,332.01x = 256,531.46 × 133,249.05
  4. Step 4: Simplify right side
    171,332.01x = 34,182,572,673.87
  5. Step 5: Solve for x
    x = 34,182,572,673.87/171,332.01
  6. Step 6: Final answer
    x = 199,510.72

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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.