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Finding the Fourth Proportional to 243,519.72, 335,839.64 and 152,884.13

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Solution

The fourth proportional to 243,519.72, 335,839.64 and 152,884.13 is: 210,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,519.72 : 335,839.64 = 152,884.13 : x
  2. Step 2: Convert to fraction form
    243,519.72/335,839.64 = 152,884.13/x
  3. Step 3: Cross multiply
    243,519.72x = 335,839.64 × 152,884.13
  4. Step 4: Simplify right side
    243,519.72x = 51,344,552,860.90
  5. Step 5: Solve for x
    x = 51,344,552,860.90/243,519.72
  6. Step 6: Final answer
    x = 210,843.51

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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.