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Finding the Fourth Proportional to 207,494.72, 285,943.20 and 150,816.32

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Solution

The fourth proportional to 207,494.72, 285,943.20 and 150,816.32 is: 207,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,494.72 : 285,943.20 = 150,816.32 : x
  2. Step 2: Convert to fraction form
    207,494.72/285,943.20 = 150,816.32/x
  3. Step 3: Cross multiply
    207,494.72x = 285,943.20 × 150,816.32
  4. Step 4: Simplify right side
    207,494.72x = 43,124,901,153.02
  5. Step 5: Solve for x
    x = 43,124,901,153.02/207,494.72
  6. Step 6: Final answer
    x = 207,836.14

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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.