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Finding the Fourth Proportional to 73,251.84, 109,698.57 and 66,152.19

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Solution

The fourth proportional to 73,251.84, 109,698.57 and 66,152.19 is: 99,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.84 : 109,698.57 = 66,152.19 : x
  2. Step 2: Convert to fraction form
    73,251.84/109,698.57 = 66,152.19/x
  3. Step 3: Cross multiply
    73,251.84x = 109,698.57 × 66,152.19
  4. Step 4: Simplify right side
    73,251.84x = 7,256,800,645.37
  5. Step 5: Solve for x
    x = 7,256,800,645.37/73,251.84
  6. Step 6: Final answer
    x = 99,066.46

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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.