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Finding the Fourth Proportional to 150,614.51, 207,846.27 and 86,950.94

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Solution

The fourth proportional to 150,614.51, 207,846.27 and 86,950.94 is: 119,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,614.51 : 207,846.27 = 86,950.94 : x
  2. Step 2: Convert to fraction form
    150,614.51/207,846.27 = 86,950.94/x
  3. Step 3: Cross multiply
    150,614.51x = 207,846.27 × 86,950.94
  4. Step 4: Simplify right side
    150,614.51x = 18,072,427,512.76
  5. Step 5: Solve for x
    x = 18,072,427,512.76/150,614.51
  6. Step 6: Final answer
    x = 119,991.28

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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.