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Finding the Fourth Proportional to 73,254.66, 101,079.45 and 48,135.30

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Solution

The fourth proportional to 73,254.66, 101,079.45 and 48,135.30 is: 66,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,254.66 : 101,079.45 = 48,135.30 : x
  2. Step 2: Convert to fraction form
    73,254.66/101,079.45 = 48,135.30/x
  3. Step 3: Cross multiply
    73,254.66x = 101,079.45 × 48,135.30
  4. Step 4: Simplify right side
    73,254.66x = 4,865,489,649.59
  5. Step 5: Solve for x
    x = 4,865,489,649.59/73,254.66
  6. Step 6: Final answer
    x = 66,418.84

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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.