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Finding the Fourth Proportional to 124.96, 187.35 and 64.03

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Solution

The fourth proportional to 124.96, 187.35 and 64.03 is: 96.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.96 : 187.35 = 64.03 : x
  2. Step 2: Convert to fraction form
    124.96/187.35 = 64.03/x
  3. Step 3: Cross multiply
    124.96x = 187.35 × 64.03
  4. Step 4: Simplify right side
    124.96x = 11,996.02
  5. Step 5: Solve for x
    x = 11,996.02/124.96
  6. Step 6: Final answer
    x = 96.00

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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.