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Finding the Fourth Proportional to 183,774.22, 275,494.88 and 127,640.84

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Solution

The fourth proportional to 183,774.22, 275,494.88 and 127,640.84 is: 191,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,774.22 : 275,494.88 = 127,640.84 : x
  2. Step 2: Convert to fraction form
    183,774.22/275,494.88 = 127,640.84/x
  3. Step 3: Cross multiply
    183,774.22x = 275,494.88 × 127,640.84
  4. Step 4: Simplify right side
    183,774.22x = 35,164,397,898.90
  5. Step 5: Solve for x
    x = 35,164,397,898.90/183,774.22
  6. Step 6: Final answer
    x = 191,345.65

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1.5x scale

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.