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Finding the Fourth Proportional to 117,249.84, 175,878.05 and 73,004.40

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Solution

The fourth proportional to 117,249.84, 175,878.05 and 73,004.40 is: 109,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,249.84 : 175,878.05 = 73,004.40 : x
  2. Step 2: Convert to fraction form
    117,249.84/175,878.05 = 73,004.40/x
  3. Step 3: Cross multiply
    117,249.84x = 175,878.05 × 73,004.40
  4. Step 4: Simplify right side
    117,249.84x = 12,839,871,148.40
  5. Step 5: Solve for x
    x = 12,839,871,148.40/117,249.84
  6. Step 6: Final answer
    x = 109,508.65

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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.