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Finding the Fourth Proportional to 170,167.80, 255,251.70 and 167,543.40

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Solution

The fourth proportional to 170,167.80, 255,251.70 and 167,543.40 is: 251,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,167.80 : 255,251.70 = 167,543.40 : x
  2. Step 2: Convert to fraction form
    170,167.80/255,251.70 = 167,543.40/x
  3. Step 3: Cross multiply
    170,167.80x = 255,251.70 × 167,543.40
  4. Step 4: Simplify right side
    170,167.80x = 42,765,737,673.78
  5. Step 5: Solve for x
    x = 42,765,737,673.78/170,167.80
  6. Step 6: Final answer
    x = 251,315.10

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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.