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Finding the Fourth Proportional to 138,794.51, 208,199.94 and 44,022.89

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Solution

The fourth proportional to 138,794.51, 208,199.94 and 44,022.89 is: 66,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,794.51 : 208,199.94 = 44,022.89 : x
  2. Step 2: Convert to fraction form
    138,794.51/208,199.94 = 44,022.89/x
  3. Step 3: Cross multiply
    138,794.51x = 208,199.94 × 44,022.89
  4. Step 4: Simplify right side
    138,794.51x = 9,165,563,412.04
  5. Step 5: Solve for x
    x = 9,165,563,412.04/138,794.51
  6. Step 6: Final answer
    x = 66,036.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.