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Finding the Fourth Proportional to 161,490.71, 222,626.22 and 113,595.41

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Solution

The fourth proportional to 161,490.71, 222,626.22 and 113,595.41 is: 156,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,490.71 : 222,626.22 = 113,595.41 : x
  2. Step 2: Convert to fraction form
    161,490.71/222,626.22 = 113,595.41/x
  3. Step 3: Cross multiply
    161,490.71x = 222,626.22 × 113,595.41
  4. Step 4: Simplify right side
    161,490.71x = 25,289,315,624.52
  5. Step 5: Solve for x
    x = 25,289,315,624.52/161,490.71
  6. Step 6: Final answer
    x = 156,599.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.