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Finding the Fourth Proportional to 344,868.84, 517,325.12 and 108,220.86

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Solution

The fourth proportional to 344,868.84, 517,325.12 and 108,220.86 is: 162,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,868.84 : 517,325.12 = 108,220.86 : x
  2. Step 2: Convert to fraction form
    344,868.84/517,325.12 = 108,220.86/x
  3. Step 3: Cross multiply
    344,868.84x = 517,325.12 × 108,220.86
  4. Step 4: Simplify right side
    344,868.84x = 55,985,366,799.38
  5. Step 5: Solve for x
    x = 55,985,366,799.38/344,868.84
  6. Step 6: Final answer
    x = 162,338.14

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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.