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Finding the Fourth Proportional to 150,370.48, 207,037.84 and 127,664.56

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Solution

The fourth proportional to 150,370.48, 207,037.84 and 127,664.56 is: 175,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,370.48 : 207,037.84 = 127,664.56 : x
  2. Step 2: Convert to fraction form
    150,370.48/207,037.84 = 127,664.56/x
  3. Step 3: Cross multiply
    150,370.48x = 207,037.84 × 127,664.56
  4. Step 4: Simplify right side
    150,370.48x = 26,431,394,746.95
  5. Step 5: Solve for x
    x = 26,431,394,746.95/150,370.48
  6. Step 6: Final answer
    x = 175,775.16

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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.