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Finding the Fourth Proportional to 124,450.56, 171,745.92 and 67,865.04

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Solution

The fourth proportional to 124,450.56, 171,745.92 and 67,865.04 is: 93,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,450.56 : 171,745.92 = 67,865.04 : x
  2. Step 2: Convert to fraction form
    124,450.56/171,745.92 = 67,865.04/x
  3. Step 3: Cross multiply
    124,450.56x = 171,745.92 × 67,865.04
  4. Step 4: Simplify right side
    124,450.56x = 11,655,543,730.64
  5. Step 5: Solve for x
    x = 11,655,543,730.64/124,450.56
  6. Step 6: Final answer
    x = 93,656.02

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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.