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Finding the Fourth Proportional to 185,797.77, 278,223.30 and 122,425.80

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Solution

The fourth proportional to 185,797.77, 278,223.30 and 122,425.80 is: 183,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,797.77 : 278,223.30 = 122,425.80 : x
  2. Step 2: Convert to fraction form
    185,797.77/278,223.30 = 122,425.80/x
  3. Step 3: Cross multiply
    185,797.77x = 278,223.30 × 122,425.80
  4. Step 4: Simplify right side
    185,797.77x = 34,061,710,081.14
  5. Step 5: Solve for x
    x = 34,061,710,081.14/185,797.77
  6. Step 6: Final answer
    x = 183,326.80

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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.