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Finding the Fourth Proportional to 199,576.69, 275,415.84 and 136,025.51

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Solution

The fourth proportional to 199,576.69, 275,415.84 and 136,025.51 is: 187,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,576.69 : 275,415.84 = 136,025.51 : x
  2. Step 2: Convert to fraction form
    199,576.69/275,415.84 = 136,025.51/x
  3. Step 3: Cross multiply
    199,576.69x = 275,415.84 × 136,025.51
  4. Step 4: Simplify right side
    199,576.69x = 37,463,578,721.00
  5. Step 5: Solve for x
    x = 37,463,578,721.00/199,576.69
  6. Step 6: Final answer
    x = 187,715.20

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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.