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Finding the Fourth Proportional to 207,608.28, 286,500.06 and 120,410.28

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Solution

The fourth proportional to 207,608.28, 286,500.06 and 120,410.28 is: 166,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,608.28 : 286,500.06 = 120,410.28 : x
  2. Step 2: Convert to fraction form
    207,608.28/286,500.06 = 120,410.28/x
  3. Step 3: Cross multiply
    207,608.28x = 286,500.06 × 120,410.28
  4. Step 4: Simplify right side
    207,608.28x = 34,497,552,444.62
  5. Step 5: Solve for x
    x = 34,497,552,444.62/207,608.28
  6. Step 6: Final answer
    x = 166,166.55

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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.