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Finding the Fourth Proportional to 207,593.60, 286,480.05 and 116,950.65

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Solution

The fourth proportional to 207,593.60, 286,480.05 and 116,950.65 is: 161,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,593.60 : 286,480.05 = 116,950.65 : x
  2. Step 2: Convert to fraction form
    207,593.60/286,480.05 = 116,950.65/x
  3. Step 3: Cross multiply
    207,593.60x = 286,480.05 × 116,950.65
  4. Step 4: Simplify right side
    207,593.60x = 33,504,028,695.27
  5. Step 5: Solve for x
    x = 33,504,028,695.27/207,593.60
  6. Step 6: Final answer
    x = 161,392.40

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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.