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Finding the Fourth Proportional to 113,277.60, 169,915.80 and 29,037.60

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Solution

The fourth proportional to 113,277.60, 169,915.80 and 29,037.60 is: 43,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,277.60 : 169,915.80 = 29,037.60 : x
  2. Step 2: Convert to fraction form
    113,277.60/169,915.80 = 29,037.60/x
  3. Step 3: Cross multiply
    113,277.60x = 169,915.80 × 29,037.60
  4. Step 4: Simplify right side
    113,277.60x = 4,933,947,034.08
  5. Step 5: Solve for x
    x = 4,933,947,034.08/113,277.60
  6. Step 6: Final answer
    x = 43,556.25

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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.