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Finding the Fourth Proportional to 124,099.50, 171,286.47 and 73,827.66

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Solution

The fourth proportional to 124,099.50, 171,286.47 and 73,827.66 is: 101,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,099.50 : 171,286.47 = 73,827.66 : x
  2. Step 2: Convert to fraction form
    124,099.50/171,286.47 = 73,827.66/x
  3. Step 3: Cross multiply
    124,099.50x = 171,286.47 × 73,827.66
  4. Step 4: Simplify right side
    124,099.50x = 12,645,679,269.76
  5. Step 5: Solve for x
    x = 12,645,679,269.76/124,099.50
  6. Step 6: Final answer
    x = 101,899.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.