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Finding the Fourth Proportional to 372,776.45, 559,164.66 and 92,293.70

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Solution

The fourth proportional to 372,776.45, 559,164.66 and 92,293.70 is: 138,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,776.45 : 559,164.66 = 92,293.70 : x
  2. Step 2: Convert to fraction form
    372,776.45/559,164.66 = 92,293.70/x
  3. Step 3: Cross multiply
    372,776.45x = 559,164.66 × 92,293.70
  4. Step 4: Simplify right side
    372,776.45x = 51,607,372,584.82
  5. Step 5: Solve for x
    x = 51,607,372,584.82/372,776.45
  6. Step 6: Final answer
    x = 138,440.54

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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.