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Finding the Fourth Proportional to 75,332.31, 112,994.81 and 27,956.64

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Solution

The fourth proportional to 75,332.31, 112,994.81 and 27,956.64 is: 41,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,332.31 : 112,994.81 = 27,956.64 : x
  2. Step 2: Convert to fraction form
    75,332.31/112,994.81 = 27,956.64/x
  3. Step 3: Cross multiply
    75,332.31x = 112,994.81 × 27,956.64
  4. Step 4: Simplify right side
    75,332.31x = 3,158,955,083.06
  5. Step 5: Solve for x
    x = 3,158,955,083.06/75,332.31
  6. Step 6: Final answer
    x = 41,933.60

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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.