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Finding the Fourth Proportional to 269,277.95, 403,792.76 and 79,670.52

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Solution

The fourth proportional to 269,277.95, 403,792.76 and 79,670.52 is: 119,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,277.95 : 403,792.76 = 79,670.52 : x
  2. Step 2: Convert to fraction form
    269,277.95/403,792.76 = 79,670.52/x
  3. Step 3: Cross multiply
    269,277.95x = 403,792.76 × 79,670.52
  4. Step 4: Simplify right side
    269,277.95x = 32,170,379,360.61
  5. Step 5: Solve for x
    x = 32,170,379,360.61/269,277.95
  6. Step 6: Final answer
    x = 119,469.04

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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.