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Finding the Fourth Proportional to 74,008.76, 111,029.52 and 34,544.32

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Solution

The fourth proportional to 74,008.76, 111,029.52 and 34,544.32 is: 51,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,008.76 : 111,029.52 = 34,544.32 : x
  2. Step 2: Convert to fraction form
    74,008.76/111,029.52 = 34,544.32/x
  3. Step 3: Cross multiply
    74,008.76x = 111,029.52 × 34,544.32
  4. Step 4: Simplify right side
    74,008.76x = 3,835,439,268.33
  5. Step 5: Solve for x
    x = 3,835,439,268.33/74,008.76
  6. Step 6: Final answer
    x = 51,824.13

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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.