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Finding the Fourth Proportional to 356,766.35, 535,228.23 and 104,066.60

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Solution

The fourth proportional to 356,766.35, 535,228.23 and 104,066.60 is: 156,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,766.35 : 535,228.23 = 104,066.60 : x
  2. Step 2: Convert to fraction form
    356,766.35/535,228.23 = 104,066.60/x
  3. Step 3: Cross multiply
    356,766.35x = 535,228.23 × 104,066.60
  4. Step 4: Simplify right side
    356,766.35x = 55,699,379,443.98
  5. Step 5: Solve for x
    x = 55,699,379,443.98/356,766.35
  6. Step 6: Final answer
    x = 156,122.85

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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.