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Finding the Fourth Proportional to 113,411.70, 170,182.35 and 43,341.30

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Solution

The fourth proportional to 113,411.70, 170,182.35 and 43,341.30 is: 65,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,411.70 : 170,182.35 = 43,341.30 : x
  2. Step 2: Convert to fraction form
    113,411.70/170,182.35 = 43,341.30/x
  3. Step 3: Cross multiply
    113,411.70x = 170,182.35 × 43,341.30
  4. Step 4: Simplify right side
    113,411.70x = 7,375,924,286.06
  5. Step 5: Solve for x
    x = 7,375,924,286.06/113,411.70
  6. Step 6: Final answer
    x = 65,036.71

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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.