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Finding the Fourth Proportional to 124,079.94, 171,225.13 and 73,094.76

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Solution

The fourth proportional to 124,079.94, 171,225.13 and 73,094.76 is: 100,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,079.94 : 171,225.13 = 73,094.76 : x
  2. Step 2: Convert to fraction form
    124,079.94/171,225.13 = 73,094.76/x
  3. Step 3: Cross multiply
    124,079.94x = 171,225.13 × 73,094.76
  4. Step 4: Simplify right side
    124,079.94x = 12,515,659,783.32
  5. Step 5: Solve for x
    x = 12,515,659,783.32/124,079.94
  6. Step 6: Final answer
    x = 100,867.71

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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.