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Finding the Fourth Proportional to 124,079.97, 171,245.57 and 73,090.07

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Solution

The fourth proportional to 124,079.97, 171,245.57 and 73,090.07 is: 100,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,079.97 : 171,245.57 = 73,090.07 : x
  2. Step 2: Convert to fraction form
    124,079.97/171,245.57 = 73,090.07/x
  3. Step 3: Cross multiply
    124,079.97x = 171,245.57 × 73,090.07
  4. Step 4: Simplify right side
    124,079.97x = 12,516,350,118.98
  5. Step 5: Solve for x
    x = 12,516,350,118.98/124,079.97
  6. Step 6: Final answer
    x = 100,873.25

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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.