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Finding the Fourth Proportional to 170,695.80, 256,043.70 and 117,551.70

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Solution

The fourth proportional to 170,695.80, 256,043.70 and 117,551.70 is: 176,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,695.80 : 256,043.70 = 117,551.70 : x
  2. Step 2: Convert to fraction form
    170,695.80/256,043.70 = 117,551.70/x
  3. Step 3: Cross multiply
    170,695.80x = 256,043.70 × 117,551.70
  4. Step 4: Simplify right side
    170,695.80x = 30,098,372,209.29
  5. Step 5: Solve for x
    x = 30,098,372,209.29/170,695.80
  6. Step 6: Final answer
    x = 176,327.55

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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.