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Finding the Fourth Proportional to 150,173.44, 207,314.34 and 86,498.94

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Solution

The fourth proportional to 150,173.44, 207,314.34 and 86,498.94 is: 119,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,173.44 : 207,314.34 = 86,498.94 : x
  2. Step 2: Convert to fraction form
    150,173.44/207,314.34 = 86,498.94/x
  3. Step 3: Cross multiply
    150,173.44x = 207,314.34 × 86,498.94
  4. Step 4: Simplify right side
    150,173.44x = 17,932,469,943.71
  5. Step 5: Solve for x
    x = 17,932,469,943.71/150,173.44
  6. Step 6: Final answer
    x = 119,411.73

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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.