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Finding the Fourth Proportional to 113,289.39, 169,564.46 and 83,295.68

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Solution

The fourth proportional to 113,289.39, 169,564.46 and 83,295.68 is: 124,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,289.39 : 169,564.46 = 83,295.68 : x
  2. Step 2: Convert to fraction form
    113,289.39/169,564.46 = 83,295.68/x
  3. Step 3: Cross multiply
    113,289.39x = 169,564.46 × 83,295.68
  4. Step 4: Simplify right side
    113,289.39x = 14,123,985,735.23
  5. Step 5: Solve for x
    x = 14,123,985,735.23/113,289.39
  6. Step 6: Final answer
    x = 124,671.74

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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.