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Finding the Fourth Proportional to 185,754.66, 278,629 and 73,435.92

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Solution

The fourth proportional to 185,754.66, 278,629 and 73,435.92 is: 110,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,754.66 : 278,629 = 73,435.92 : x
  2. Step 2: Convert to fraction form
    185,754.66/278,629 = 73,435.92/x
  3. Step 3: Cross multiply
    185,754.66x = 278,629 × 73,435.92
  4. Step 4: Simplify right side
    185,754.66x = 20,461,376,953.68
  5. Step 5: Solve for x
    x = 20,461,376,953.68/185,754.66
  6. Step 6: Final answer
    x = 110,152.70

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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.