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Finding the Fourth Proportional to 116.94, 175.39 and 70.01

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Solution

The fourth proportional to 116.94, 175.39 and 70.01 is: 105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.94 : 175.39 = 70.01 : x
  2. Step 2: Convert to fraction form
    116.94/175.39 = 70.01/x
  3. Step 3: Cross multiply
    116.94x = 175.39 × 70.01
  4. Step 4: Simplify right side
    116.94x = 12,278.66
  5. Step 5: Solve for x
    x = 12,278.66/116.94
  6. Step 6: Final answer
    x = 105.00

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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.