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Finding the Fourth Proportional to 127,433.80, 191,237.10 and 82,952.20

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Solution

The fourth proportional to 127,433.80, 191,237.10 and 82,952.20 is: 124,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,433.80 : 191,237.10 = 82,952.20 : x
  2. Step 2: Convert to fraction form
    127,433.80/191,237.10 = 82,952.20/x
  3. Step 3: Cross multiply
    127,433.80x = 191,237.10 × 82,952.20
  4. Step 4: Simplify right side
    127,433.80x = 15,863,538,166.62
  5. Step 5: Solve for x
    x = 15,863,538,166.62/127,433.80
  6. Step 6: Final answer
    x = 124,484.54

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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.