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Finding the Fourth Proportional to 149,693.70, 224,388.63 and 127,845.57

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Solution

The fourth proportional to 149,693.70, 224,388.63 and 127,845.57 is: 191,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,693.70 : 224,388.63 = 127,845.57 : x
  2. Step 2: Convert to fraction form
    149,693.70/224,388.63 = 127,845.57/x
  3. Step 3: Cross multiply
    149,693.70x = 224,388.63 × 127,845.57
  4. Step 4: Simplify right side
    149,693.70x = 28,687,092,303.87
  5. Step 5: Solve for x
    x = 28,687,092,303.87/149,693.70
  6. Step 6: Final answer
    x = 191,638.61

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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.