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Finding the Fourth Proportional to 124,846.88, 172,275.42 and 73,861.52

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Solution

The fourth proportional to 124,846.88, 172,275.42 and 73,861.52 is: 101,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,846.88 : 172,275.42 = 73,861.52 : x
  2. Step 2: Convert to fraction form
    124,846.88/172,275.42 = 73,861.52/x
  3. Step 3: Cross multiply
    124,846.88x = 172,275.42 × 73,861.52
  4. Step 4: Simplify right side
    124,846.88x = 12,724,524,379.84
  5. Step 5: Solve for x
    x = 12,724,524,379.84/124,846.88
  6. Step 6: Final answer
    x = 101,921.04

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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.