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Finding the Fourth Proportional to 84,422.60, 116,453.35 and 58,540.80

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Solution

The fourth proportional to 84,422.60, 116,453.35 and 58,540.80 is: 80,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,422.60 : 116,453.35 = 58,540.80 : x
  2. Step 2: Convert to fraction form
    84,422.60/116,453.35 = 58,540.80/x
  3. Step 3: Cross multiply
    84,422.60x = 116,453.35 × 58,540.80
  4. Step 4: Simplify right side
    84,422.60x = 6,817,272,271.68
  5. Step 5: Solve for x
    x = 6,817,272,271.68/84,422.60
  6. Step 6: Final answer
    x = 80,751.75

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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.