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Finding the Fourth Proportional to 207,116.76, 285,787.77 and 116,467.32

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Solution

The fourth proportional to 207,116.76, 285,787.77 and 116,467.32 is: 160,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,116.76 : 285,787.77 = 116,467.32 : x
  2. Step 2: Convert to fraction form
    207,116.76/285,787.77 = 116,467.32/x
  3. Step 3: Cross multiply
    207,116.76x = 285,787.77 × 116,467.32
  4. Step 4: Simplify right side
    207,116.76x = 33,284,935,660.68
  5. Step 5: Solve for x
    x = 33,284,935,660.68/207,116.76
  6. Step 6: Final answer
    x = 160,706.14

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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.