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Finding the Fourth Proportional to 74,199.97, 102,401.01 and 41,923.42

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Solution

The fourth proportional to 74,199.97, 102,401.01 and 41,923.42 is: 57,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,199.97 : 102,401.01 = 41,923.42 : x
  2. Step 2: Convert to fraction form
    74,199.97/102,401.01 = 41,923.42/x
  3. Step 3: Cross multiply
    74,199.97x = 102,401.01 × 41,923.42
  4. Step 4: Simplify right side
    74,199.97x = 4,293,000,550.65
  5. Step 5: Solve for x
    x = 4,293,000,550.65/74,199.97
  6. Step 6: Final answer
    x = 57,857.17

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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.