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Finding the Fourth Proportional to 367,560.66, 551,081.77 and 142,733.82

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Solution

The fourth proportional to 367,560.66, 551,081.77 and 142,733.82 is: 214,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,560.66 : 551,081.77 = 142,733.82 : x
  2. Step 2: Convert to fraction form
    367,560.66/551,081.77 = 142,733.82/x
  3. Step 3: Cross multiply
    367,560.66x = 551,081.77 × 142,733.82
  4. Step 4: Simplify right side
    367,560.66x = 78,658,006,164.46
  5. Step 5: Solve for x
    x = 78,658,006,164.46/367,560.66
  6. Step 6: Final answer
    x = 214,000.07

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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.