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Finding the Fourth Proportional to 225,016.40, 337,427.40 and 112,653.20

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Solution

The fourth proportional to 225,016.40, 337,427.40 and 112,653.20 is: 168,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,016.40 : 337,427.40 = 112,653.20 : x
  2. Step 2: Convert to fraction form
    225,016.40/337,427.40 = 112,653.20/x
  3. Step 3: Cross multiply
    225,016.40x = 337,427.40 × 112,653.20
  4. Step 4: Simplify right side
    225,016.40x = 38,012,276,377.68
  5. Step 5: Solve for x
    x = 38,012,276,377.68/225,016.40
  6. Step 6: Final answer
    x = 168,931.14

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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.