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Finding the Fourth Proportional to 159,577.34, 239,401.20 and 47,266.40

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Solution

The fourth proportional to 159,577.34, 239,401.20 and 47,266.40 is: 70,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,577.34 : 239,401.20 = 47,266.40 : x
  2. Step 2: Convert to fraction form
    159,577.34/239,401.20 = 47,266.40/x
  3. Step 3: Cross multiply
    159,577.34x = 239,401.20 × 47,266.40
  4. Step 4: Simplify right side
    159,577.34x = 11,315,632,879.68
  5. Step 5: Solve for x
    x = 11,315,632,879.68/159,577.34
  6. Step 6: Final answer
    x = 70,910.02

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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.