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Finding the Fourth Proportional to 124.04, 185.90 and 59

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Solution

The fourth proportional to 124.04, 185.90 and 59 is: 88.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.04 : 185.90 = 59 : x
  2. Step 2: Convert to fraction form
    124.04/185.90 = 59/x
  3. Step 3: Cross multiply
    124.04x = 185.90 × 59
  4. Step 4: Simplify right side
    124.04x = 10,968.10
  5. Step 5: Solve for x
    x = 10,968.10/124.04
  6. Step 6: Final answer
    x = 88.42

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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.