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Finding the Fourth Proportional to 117.04, 175.41 and 58.50

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Solution

The fourth proportional to 117.04, 175.41 and 58.50 is: 87.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.04 : 175.41 = 58.50 : x
  2. Step 2: Convert to fraction form
    117.04/175.41 = 58.50/x
  3. Step 3: Cross multiply
    117.04x = 175.41 × 58.50
  4. Step 4: Simplify right side
    117.04x = 10,261.49
  5. Step 5: Solve for x
    x = 10,261.49/117.04
  6. Step 6: Final answer
    x = 87.68

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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.