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Finding the Fourth Proportional to 113,423.70, 170,200.35 and 43,353.30

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Solution

The fourth proportional to 113,423.70, 170,200.35 and 43,353.30 is: 65,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,423.70 : 170,200.35 = 43,353.30 : x
  2. Step 2: Convert to fraction form
    113,423.70/170,200.35 = 43,353.30/x
  3. Step 3: Cross multiply
    113,423.70x = 170,200.35 × 43,353.30
  4. Step 4: Simplify right side
    113,423.70x = 7,378,746,833.66
  5. Step 5: Solve for x
    x = 7,378,746,833.66/113,423.70
  6. Step 6: Final answer
    x = 65,054.72

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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.