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Finding the Fourth Proportional to 199,575.94, 275,414.81 and 136,024.76

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Solution

The fourth proportional to 199,575.94, 275,414.81 and 136,024.76 is: 187,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,575.94 : 275,414.81 = 136,024.76 : x
  2. Step 2: Convert to fraction form
    199,575.94/275,414.81 = 136,024.76/x
  3. Step 3: Cross multiply
    199,575.94x = 275,414.81 × 136,024.76
  4. Step 4: Simplify right side
    199,575.94x = 37,463,233,430.70
  5. Step 5: Solve for x
    x = 37,463,233,430.70/199,575.94
  6. Step 6: Final answer
    x = 187,714.18

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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.