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Finding the Fourth Proportional to 185,698.80, 278,357.52 and 73,333.48

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Solution

The fourth proportional to 185,698.80, 278,357.52 and 73,333.48 is: 109,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,698.80 : 278,357.52 = 73,333.48 : x
  2. Step 2: Convert to fraction form
    185,698.80/278,357.52 = 73,333.48/x
  3. Step 3: Cross multiply
    185,698.80x = 278,357.52 × 73,333.48
  4. Step 4: Simplify right side
    185,698.80x = 20,412,925,625.77
  5. Step 5: Solve for x
    x = 20,412,925,625.77/185,698.80
  6. Step 6: Final answer
    x = 109,924.92

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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.