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Finding the Fourth Proportional to 225,047.60, 337,117.80 and 140,548.40

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Solution

The fourth proportional to 225,047.60, 337,117.80 and 140,548.40 is: 210,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,047.60 : 337,117.80 = 140,548.40 : x
  2. Step 2: Convert to fraction form
    225,047.60/337,117.80 = 140,548.40/x
  3. Step 3: Cross multiply
    225,047.60x = 337,117.80 × 140,548.40
  4. Step 4: Simplify right side
    225,047.60x = 47,381,367,401.52
  5. Step 5: Solve for x
    x = 47,381,367,401.52/225,047.60
  6. Step 6: Final answer
    x = 210,539.31

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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.