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Finding the Fourth Proportional to 92,450.40, 127,627.28 and 58,488.80

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Solution

The fourth proportional to 92,450.40, 127,627.28 and 58,488.80 is: 80,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,450.40 : 127,627.28 = 58,488.80 : x
  2. Step 2: Convert to fraction form
    92,450.40/127,627.28 = 58,488.80/x
  3. Step 3: Cross multiply
    92,450.40x = 127,627.28 × 58,488.80
  4. Step 4: Simplify right side
    92,450.40x = 7,464,766,454.46
  5. Step 5: Solve for x
    x = 7,464,766,454.46/92,450.40
  6. Step 6: Final answer
    x = 80,743.47

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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.