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Finding the Fourth Proportional to 225,902.40, 338,853.60 and 124,425.60

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Solution

The fourth proportional to 225,902.40, 338,853.60 and 124,425.60 is: 186,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,902.40 : 338,853.60 = 124,425.60 : x
  2. Step 2: Convert to fraction form
    225,902.40/338,853.60 = 124,425.60/x
  3. Step 3: Cross multiply
    225,902.40x = 338,853.60 × 124,425.60
  4. Step 4: Simplify right side
    225,902.40x = 42,162,062,492.16
  5. Step 5: Solve for x
    x = 42,162,062,492.16/225,902.40
  6. Step 6: Final answer
    x = 186,638.40

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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.