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Finding the Fourth Proportional to 243,434.93, 335,882.62 and 141,399.76

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Solution

The fourth proportional to 243,434.93, 335,882.62 and 141,399.76 is: 195,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,434.93 : 335,882.62 = 141,399.76 : x
  2. Step 2: Convert to fraction form
    243,434.93/335,882.62 = 141,399.76/x
  3. Step 3: Cross multiply
    243,434.93x = 335,882.62 × 141,399.76
  4. Step 4: Simplify right side
    243,434.93x = 47,493,720,176.76
  5. Step 5: Solve for x
    x = 47,493,720,176.76/243,434.93
  6. Step 6: Final answer
    x = 195,098.22

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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.