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Finding the Fourth Proportional to 116.90, 175.41 and 56.01

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Solution

The fourth proportional to 116.90, 175.41 and 56.01 is: 84.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.90 : 175.41 = 56.01 : x
  2. Step 2: Convert to fraction form
    116.90/175.41 = 56.01/x
  3. Step 3: Cross multiply
    116.90x = 175.41 × 56.01
  4. Step 4: Simplify right side
    116.90x = 9,824.71
  5. Step 5: Solve for x
    x = 9,824.71/116.90
  6. Step 6: Final answer
    x = 84.05

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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.