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Finding the Fourth Proportional to 224,349.93, 309,603.87 and 122,377.61

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Solution

The fourth proportional to 224,349.93, 309,603.87 and 122,377.61 is: 168,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,349.93 : 309,603.87 = 122,377.61 : x
  2. Step 2: Convert to fraction form
    224,349.93/309,603.87 = 122,377.61/x
  3. Step 3: Cross multiply
    224,349.93x = 309,603.87 × 122,377.61
  4. Step 4: Simplify right side
    224,349.93x = 37,888,581,657.35
  5. Step 5: Solve for x
    x = 37,888,581,657.35/224,349.93
  6. Step 6: Final answer
    x = 168,881.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.