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Finding the Fourth Proportional to 113,266.80, 169,900.20 and 29,026.80

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Solution

The fourth proportional to 113,266.80, 169,900.20 and 29,026.80 is: 43,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,266.80 : 169,900.20 = 29,026.80 : x
  2. Step 2: Convert to fraction form
    113,266.80/169,900.20 = 29,026.80/x
  3. Step 3: Cross multiply
    113,266.80x = 169,900.20 × 29,026.80
  4. Step 4: Simplify right side
    113,266.80x = 4,931,659,125.36
  5. Step 5: Solve for x
    x = 4,931,659,125.36/113,266.80
  6. Step 6: Final answer
    x = 43,540.20

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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.