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Finding the Fourth Proportional to 146,593.20, 220,327.20 and 127,347.60

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Solution

The fourth proportional to 146,593.20, 220,327.20 and 127,347.60 is: 191,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,593.20 : 220,327.20 = 127,347.60 : x
  2. Step 2: Convert to fraction form
    146,593.20/220,327.20 = 127,347.60/x
  3. Step 3: Cross multiply
    146,593.20x = 220,327.20 × 127,347.60
  4. Step 4: Simplify right side
    146,593.20x = 28,058,140,134.72
  5. Step 5: Solve for x
    x = 28,058,140,134.72/146,593.20
  6. Step 6: Final answer
    x = 191,401.38

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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.