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Finding the Fourth Proportional to 113,292.60, 169,938.90 and 34,407.54

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Solution

The fourth proportional to 113,292.60, 169,938.90 and 34,407.54 is: 51,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,292.60 : 169,938.90 = 34,407.54 : x
  2. Step 2: Convert to fraction form
    113,292.60/169,938.90 = 34,407.54/x
  3. Step 3: Cross multiply
    113,292.60x = 169,938.90 × 34,407.54
  4. Step 4: Simplify right side
    113,292.60x = 5,847,179,499.31
  5. Step 5: Solve for x
    x = 5,847,179,499.31/113,292.60
  6. Step 6: Final answer
    x = 51,611.31

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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.