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Finding the Fourth Proportional to 207,169.01, 285,901.77 and 116,529.20

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Solution

The fourth proportional to 207,169.01, 285,901.77 and 116,529.20 is: 160,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,169.01 : 285,901.77 = 116,529.20 : x
  2. Step 2: Convert to fraction form
    207,169.01/285,901.77 = 116,529.20/x
  3. Step 3: Cross multiply
    207,169.01x = 285,901.77 × 116,529.20
  4. Step 4: Simplify right side
    207,169.01x = 33,315,904,536.68
  5. Step 5: Solve for x
    x = 33,315,904,536.68/207,169.01
  6. Step 6: Final answer
    x = 160,815.10

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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.