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Finding the Fourth Proportional to 377,028.90, 565,538.36 and 92,721.90

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Solution

The fourth proportional to 377,028.90, 565,538.36 and 92,721.90 is: 139,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,028.90 : 565,538.36 = 92,721.90 : x
  2. Step 2: Convert to fraction form
    377,028.90/565,538.36 = 92,721.90/x
  3. Step 3: Cross multiply
    377,028.90x = 565,538.36 × 92,721.90
  4. Step 4: Simplify right side
    377,028.90x = 52,437,791,262.08
  5. Step 5: Solve for x
    x = 52,437,791,262.08/377,028.90
  6. Step 6: Final answer
    x = 139,081.62

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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.