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Finding the Fourth Proportional to 123,281.25, 184,810.91 and 44,340

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Solution

The fourth proportional to 123,281.25, 184,810.91 and 44,340 is: 66,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,281.25 : 184,810.91 = 44,340 : x
  2. Step 2: Convert to fraction form
    123,281.25/184,810.91 = 44,340/x
  3. Step 3: Cross multiply
    123,281.25x = 184,810.91 × 44,340
  4. Step 4: Simplify right side
    123,281.25x = 8,194,515,527.70
  5. Step 5: Solve for x
    x = 8,194,515,527.70/123,281.25
  6. Step 6: Final answer
    x = 66,470.09

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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.