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Finding the Fourth Proportional to 225,085.20, 337,627.80 and 141,104.40

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Solution

The fourth proportional to 225,085.20, 337,627.80 and 141,104.40 is: 211,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,085.20 : 337,627.80 = 141,104.40 : x
  2. Step 2: Convert to fraction form
    225,085.20/337,627.80 = 141,104.40/x
  3. Step 3: Cross multiply
    225,085.20x = 337,627.80 × 141,104.40
  4. Step 4: Simplify right side
    225,085.20x = 47,640,768,142.32
  5. Step 5: Solve for x
    x = 47,640,768,142.32/225,085.20
  6. Step 6: Final answer
    x = 211,656.60

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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.