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Finding the Fourth Proportional to 113,241.60, 169,862.80 and 34,356.48

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Solution

The fourth proportional to 113,241.60, 169,862.80 and 34,356.48 is: 51,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,241.60 : 169,862.80 = 34,356.48 : x
  2. Step 2: Convert to fraction form
    113,241.60/169,862.80 = 34,356.48/x
  3. Step 3: Cross multiply
    113,241.60x = 169,862.80 × 34,356.48
  4. Step 4: Simplify right side
    113,241.60x = 5,835,887,890.94
  5. Step 5: Solve for x
    x = 5,835,887,890.94/113,241.60
  6. Step 6: Final answer
    x = 51,534.84

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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.