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Finding the Fourth Proportional to 225,673.40, 338,412.90 and 113,310.20

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Solution

The fourth proportional to 225,673.40, 338,412.90 and 113,310.20 is: 169,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,673.40 : 338,412.90 = 113,310.20 : x
  2. Step 2: Convert to fraction form
    225,673.40/338,412.90 = 113,310.20/x
  3. Step 3: Cross multiply
    225,673.40x = 338,412.90 × 113,310.20
  4. Step 4: Simplify right side
    225,673.40x = 38,345,633,381.58
  5. Step 5: Solve for x
    x = 38,345,633,381.58/225,673.40
  6. Step 6: Final answer
    x = 169,916.50

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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.