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Finding the Fourth Proportional to 207,036.92, 285,675.28 and 116,380.32

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Solution

The fourth proportional to 207,036.92, 285,675.28 and 116,380.32 is: 160,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,036.92 : 285,675.28 = 116,380.32 : x
  2. Step 2: Convert to fraction form
    207,036.92/285,675.28 = 116,380.32/x
  3. Step 3: Cross multiply
    207,036.92x = 285,675.28 × 116,380.32
  4. Step 4: Simplify right side
    207,036.92x = 33,246,980,502.49
  5. Step 5: Solve for x
    x = 33,246,980,502.49/207,036.92
  6. Step 6: Final answer
    x = 160,584.79

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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.