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Finding the Fourth Proportional to 231,994.16, 348,043.08 and 74,232.08

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Solution

The fourth proportional to 231,994.16, 348,043.08 and 74,232.08 is: 111,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,994.16 : 348,043.08 = 74,232.08 : x
  2. Step 2: Convert to fraction form
    231,994.16/348,043.08 = 74,232.08/x
  3. Step 3: Cross multiply
    231,994.16x = 348,043.08 × 74,232.08
  4. Step 4: Simplify right side
    231,994.16x = 25,835,961,758.01
  5. Step 5: Solve for x
    x = 25,835,961,758.01/231,994.16
  6. Step 6: Final answer
    x = 111,364.71

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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.