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Finding the Fourth Proportional to 144,487.44, 199,472.76 and 99,192.24

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Solution

The fourth proportional to 144,487.44, 199,472.76 and 99,192.24 is: 136,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,487.44 : 199,472.76 = 99,192.24 : x
  2. Step 2: Convert to fraction form
    144,487.44/199,472.76 = 99,192.24/x
  3. Step 3: Cross multiply
    144,487.44x = 199,472.76 × 99,192.24
  4. Step 4: Simplify right side
    144,487.44x = 19,786,149,883.38
  5. Step 5: Solve for x
    x = 19,786,149,883.38/144,487.44
  6. Step 6: Final answer
    x = 136,940.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.