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Finding the Fourth Proportional to 113,205.70, 169,808.55 and 60,717.70

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Solution

The fourth proportional to 113,205.70, 169,808.55 and 60,717.70 is: 91,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,205.70 : 169,808.55 = 60,717.70 : x
  2. Step 2: Convert to fraction form
    113,205.70/169,808.55 = 60,717.70/x
  3. Step 3: Cross multiply
    113,205.70x = 169,808.55 × 60,717.70
  4. Step 4: Simplify right side
    113,205.70x = 10,310,384,596.34
  5. Step 5: Solve for x
    x = 10,310,384,596.34/113,205.70
  6. Step 6: Final answer
    x = 91,076.55

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1.5x scale

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.