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Finding the Fourth Proportional to 207,832.59, 311,791.11 and 65,700.07

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Solution

The fourth proportional to 207,832.59, 311,791.11 and 65,700.07 is: 98,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,832.59 : 311,791.11 = 65,700.07 : x
  2. Step 2: Convert to fraction form
    207,832.59/311,791.11 = 65,700.07/x
  3. Step 3: Cross multiply
    207,832.59x = 311,791.11 × 65,700.07
  4. Step 4: Simplify right side
    207,832.59x = 20,484,697,752.38
  5. Step 5: Solve for x
    x = 20,484,697,752.38/207,832.59
  6. Step 6: Final answer
    x = 98,563.45

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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.