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Finding the Fourth Proportional to 73,340.84, 109,825.08 and 61,463.36

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Solution

The fourth proportional to 73,340.84, 109,825.08 and 61,463.36 is: 92,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,340.84 : 109,825.08 = 61,463.36 : x
  2. Step 2: Convert to fraction form
    73,340.84/109,825.08 = 61,463.36/x
  3. Step 3: Cross multiply
    73,340.84x = 109,825.08 × 61,463.36
  4. Step 4: Simplify right side
    73,340.84x = 6,750,218,429.07
  5. Step 5: Solve for x
    x = 6,750,218,429.07/73,340.84
  6. Step 6: Final answer
    x = 92,039.01

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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.