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Finding the Fourth Proportional to 73,480.68, 101,373.17 and 47,978.24

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Solution

The fourth proportional to 73,480.68, 101,373.17 and 47,978.24 is: 66,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,480.68 : 101,373.17 = 47,978.24 : x
  2. Step 2: Convert to fraction form
    73,480.68/101,373.17 = 47,978.24/x
  3. Step 3: Cross multiply
    73,480.68x = 101,373.17 × 47,978.24
  4. Step 4: Simplify right side
    73,480.68x = 4,863,705,533.06
  5. Step 5: Solve for x
    x = 4,863,705,533.06/73,480.68
  6. Step 6: Final answer
    x = 66,190.26

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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.