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Finding the Fourth Proportional to 243,161.61, 335,561.74 and 141,212.14

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Solution

The fourth proportional to 243,161.61, 335,561.74 and 141,212.14 is: 194,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,161.61 : 335,561.74 = 141,212.14 : x
  2. Step 2: Convert to fraction form
    243,161.61/335,561.74 = 141,212.14/x
  3. Step 3: Cross multiply
    243,161.61x = 335,561.74 × 141,212.14
  4. Step 4: Simplify right side
    243,161.61x = 47,385,389,023.65
  5. Step 5: Solve for x
    x = 47,385,389,023.65/243,161.61
  6. Step 6: Final answer
    x = 194,872.00

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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.