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Finding the Fourth Proportional to 225,029.60, 337,090.80 and 140,530.40

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Solution

The fourth proportional to 225,029.60, 337,090.80 and 140,530.40 is: 210,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,029.60 : 337,090.80 = 140,530.40 : x
  2. Step 2: Convert to fraction form
    225,029.60/337,090.80 = 140,530.40/x
  3. Step 3: Cross multiply
    225,029.60x = 337,090.80 × 140,530.40
  4. Step 4: Simplify right side
    225,029.60x = 47,371,504,960.32
  5. Step 5: Solve for x
    x = 47,371,504,960.32/225,029.60
  6. Step 6: Final answer
    x = 210,512.33

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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.