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Finding the Fourth Proportional to 124,608.56, 171,939.54 and 73,614.20

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Solution

The fourth proportional to 124,608.56, 171,939.54 and 73,614.20 is: 101,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,608.56 : 171,939.54 = 73,614.20 : x
  2. Step 2: Convert to fraction form
    124,608.56/171,939.54 = 73,614.20/x
  3. Step 3: Cross multiply
    124,608.56x = 171,939.54 × 73,614.20
  4. Step 4: Simplify right side
    124,608.56x = 12,657,191,685.47
  5. Step 5: Solve for x
    x = 12,657,191,685.47/124,608.56
  6. Step 6: Final answer
    x = 101,575.62

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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.