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Finding the Fourth Proportional to 207,168.91, 310,760.04 and 57,410.64

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Solution

The fourth proportional to 207,168.91, 310,760.04 and 57,410.64 is: 86,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,168.91 : 310,760.04 = 57,410.64 : x
  2. Step 2: Convert to fraction form
    207,168.91/310,760.04 = 57,410.64/x
  3. Step 3: Cross multiply
    207,168.91x = 310,760.04 × 57,410.64
  4. Step 4: Simplify right side
    207,168.91x = 17,840,932,998.12
  5. Step 5: Solve for x
    x = 17,840,932,998.12/207,168.91
  6. Step 6: Final answer
    x = 86,117.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.