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Finding the Fourth Proportional to 170,952.70, 256,476.45 and 71,159.90

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Solution

The fourth proportional to 170,952.70, 256,476.45 and 71,159.90 is: 106,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,952.70 : 256,476.45 = 71,159.90 : x
  2. Step 2: Convert to fraction form
    170,952.70/256,476.45 = 71,159.90/x
  3. Step 3: Cross multiply
    170,952.70x = 256,476.45 × 71,159.90
  4. Step 4: Simplify right side
    170,952.70x = 18,250,838,534.36
  5. Step 5: Solve for x
    x = 18,250,838,534.36/170,952.70
  6. Step 6: Final answer
    x = 106,759.58

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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.