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Finding the Fourth Proportional to 113,268.60, 169,859.70 and 34,356.60

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Solution

The fourth proportional to 113,268.60, 169,859.70 and 34,356.60 is: 51,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,268.60 : 169,859.70 = 34,356.60 : x
  2. Step 2: Convert to fraction form
    113,268.60/169,859.70 = 34,356.60/x
  3. Step 3: Cross multiply
    113,268.60x = 169,859.70 × 34,356.60
  4. Step 4: Simplify right side
    113,268.60x = 5,835,801,769.02
  5. Step 5: Solve for x
    x = 5,835,801,769.02/113,268.60
  6. Step 6: Final answer
    x = 51,521.80

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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.