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Finding the Fourth Proportional to 192,342.70, 288,256.13 and 149,699.63

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Solution

The fourth proportional to 192,342.70, 288,256.13 and 149,699.63 is: 224,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,342.70 : 288,256.13 = 149,699.63 : x
  2. Step 2: Convert to fraction form
    192,342.70/288,256.13 = 149,699.63/x
  3. Step 3: Cross multiply
    192,342.70x = 288,256.13 × 149,699.63
  4. Step 4: Simplify right side
    192,342.70x = 43,151,835,760.37
  5. Step 5: Solve for x
    x = 43,151,835,760.37/192,342.70
  6. Step 6: Final answer
    x = 224,348.70

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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.