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Finding the Fourth Proportional to 243,436.96, 335,885.42 and 141,401.79

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Solution

The fourth proportional to 243,436.96, 335,885.42 and 141,401.79 is: 195,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,436.96 : 335,885.42 = 141,401.79 : x
  2. Step 2: Convert to fraction form
    243,436.96/335,885.42 = 141,401.79/x
  3. Step 3: Cross multiply
    243,436.96x = 335,885.42 × 141,401.79
  4. Step 4: Simplify right side
    243,436.96x = 47,494,799,622.90
  5. Step 5: Solve for x
    x = 47,494,799,622.90/243,436.96
  6. Step 6: Final answer
    x = 195,101.03

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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.