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Finding the Fourth Proportional to 242,771.78, 335,024.00 and 140,817.89

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Solution

The fourth proportional to 242,771.78, 335,024.00 and 140,817.89 is: 194,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,771.78 : 335,024.00 = 140,817.89 : x
  2. Step 2: Convert to fraction form
    242,771.78/335,024.00 = 140,817.89/x
  3. Step 3: Cross multiply
    242,771.78x = 335,024.00 × 140,817.89
  4. Step 4: Simplify right side
    242,771.78x = 47,177,373,440.90
  5. Step 5: Solve for x
    x = 47,177,373,440.90/242,771.78
  6. Step 6: Final answer
    x = 194,328.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.