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Finding the Fourth Proportional to 117,952.30, 162,787.62 and 70,205.80

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Solution

The fourth proportional to 117,952.30, 162,787.62 and 70,205.80 is: 96,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,952.30 : 162,787.62 = 70,205.80 : x
  2. Step 2: Convert to fraction form
    117,952.30/162,787.62 = 70,205.80/x
  3. Step 3: Cross multiply
    117,952.30x = 162,787.62 × 70,205.80
  4. Step 4: Simplify right side
    117,952.30x = 11,428,635,092.20
  5. Step 5: Solve for x
    x = 11,428,635,092.20/117,952.30
  6. Step 6: Final answer
    x = 96,892.01

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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.