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Finding the Fourth Proportional to 243,035.84, 335,335.76 and 141,002.20

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Solution

The fourth proportional to 243,035.84, 335,335.76 and 141,002.20 is: 194,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,035.84 : 335,335.76 = 141,002.20 : x
  2. Step 2: Convert to fraction form
    243,035.84/335,335.76 = 141,002.20/x
  3. Step 3: Cross multiply
    243,035.84x = 335,335.76 × 141,002.20
  4. Step 4: Simplify right side
    243,035.84x = 47,283,078,221.99
  5. Step 5: Solve for x
    x = 47,283,078,221.99/243,035.84
  6. Step 6: Final answer
    x = 194,551.88

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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.