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Finding the Fourth Proportional to 124.71, 187.01 and 96.00

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Solution

The fourth proportional to 124.71, 187.01 and 96.00 is: 143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.71 : 187.01 = 96.00 : x
  2. Step 2: Convert to fraction form
    124.71/187.01 = 96.00/x
  3. Step 3: Cross multiply
    124.71x = 187.01 × 96.00
  4. Step 4: Simplify right side
    124.71x = 17,952.02
  5. Step 5: Solve for x
    x = 17,952.02/124.71
  6. Step 6: Final answer
    x = 143.96

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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.