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Finding the Fourth Proportional to 113,343.60, 170,021.80 and 34,460.40

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Solution

The fourth proportional to 113,343.60, 170,021.80 and 34,460.40 is: 51,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,343.60 : 170,021.80 = 34,460.40 : x
  2. Step 2: Convert to fraction form
    113,343.60/170,021.80 = 34,460.40/x
  3. Step 3: Cross multiply
    113,343.60x = 170,021.80 × 34,460.40
  4. Step 4: Simplify right side
    113,343.60x = 5,859,019,236.72
  5. Step 5: Solve for x
    x = 5,859,019,236.72/113,343.60
  6. Step 6: Final answer
    x = 51,692.55

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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.