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Finding the Fourth Proportional to 234,314.95, 351,235.74 and 92,259.90

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Solution

The fourth proportional to 234,314.95, 351,235.74 and 92,259.90 is: 138,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,314.95 : 351,235.74 = 92,259.90 : x
  2. Step 2: Convert to fraction form
    234,314.95/351,235.74 = 92,259.90/x
  3. Step 3: Cross multiply
    234,314.95x = 351,235.74 × 92,259.90
  4. Step 4: Simplify right side
    234,314.95x = 32,404,974,248.83
  5. Step 5: Solve for x
    x = 32,404,974,248.83/234,314.95
  6. Step 6: Final answer
    x = 138,296.66

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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.