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Finding the Fourth Proportional to 225,038.60, 337,514.70 and 67,272.20

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Solution

The fourth proportional to 225,038.60, 337,514.70 and 67,272.20 is: 100,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,038.60 : 337,514.70 = 67,272.20 : x
  2. Step 2: Convert to fraction form
    225,038.60/337,514.70 = 67,272.20/x
  3. Step 3: Cross multiply
    225,038.60x = 337,514.70 × 67,272.20
  4. Step 4: Simplify right side
    225,038.60x = 22,705,356,401.34
  5. Step 5: Solve for x
    x = 22,705,356,401.34/225,038.60
  6. Step 6: Final answer
    x = 100,895.39

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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.