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Finding the Fourth Proportional to 207,399.61, 286,216.99 and 116,759.00

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Solution

The fourth proportional to 207,399.61, 286,216.99 and 116,759.00 is: 161,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,399.61 : 286,216.99 = 116,759.00 : x
  2. Step 2: Convert to fraction form
    207,399.61/286,216.99 = 116,759.00/x
  3. Step 3: Cross multiply
    207,399.61x = 286,216.99 × 116,759.00
  4. Step 4: Simplify right side
    207,399.61x = 33,418,410,079.17
  5. Step 5: Solve for x
    x = 33,418,410,079.17/207,399.61
  6. Step 6: Final answer
    x = 161,130.54

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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.