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Finding the Fourth Proportional to 104,671.98, 157,047.66 and 48,538.98

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Solution

The fourth proportional to 104,671.98, 157,047.66 and 48,538.98 is: 72,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,671.98 : 157,047.66 = 48,538.98 : x
  2. Step 2: Convert to fraction form
    104,671.98/157,047.66 = 48,538.98/x
  3. Step 3: Cross multiply
    104,671.98x = 157,047.66 × 48,538.98
  4. Step 4: Simplify right side
    104,671.98x = 7,622,933,227.79
  5. Step 5: Solve for x
    x = 7,622,933,227.79/104,671.98
  6. Step 6: Final answer
    x = 72,826.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.