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Finding the Fourth Proportional to 113,851.60, 170,713.40 and 43,733.20

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Solution

The fourth proportional to 113,851.60, 170,713.40 and 43,733.20 is: 65,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,851.60 : 170,713.40 = 43,733.20 : x
  2. Step 2: Convert to fraction form
    113,851.60/170,713.40 = 43,733.20/x
  3. Step 3: Cross multiply
    113,851.60x = 170,713.40 × 43,733.20
  4. Step 4: Simplify right side
    113,851.60x = 7,465,843,264.88
  5. Step 5: Solve for x
    x = 7,465,843,264.88/113,851.60
  6. Step 6: Final answer
    x = 65,575.22

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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.