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Finding the Fourth Proportional to 160,255.70, 221,159.55 and 92,270.97

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Solution

The fourth proportional to 160,255.70, 221,159.55 and 92,270.97 is: 127,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,255.70 : 221,159.55 = 92,270.97 : x
  2. Step 2: Convert to fraction form
    160,255.70/221,159.55 = 92,270.97/x
  3. Step 3: Cross multiply
    160,255.70x = 221,159.55 × 92,270.97
  4. Step 4: Simplify right side
    160,255.70x = 20,406,606,203.26
  5. Step 5: Solve for x
    x = 20,406,606,203.26/160,255.70
  6. Step 6: Final answer
    x = 127,337.79

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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.