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Finding the Fourth Proportional to 104,321.88, 156,482.82 and 48,904.92

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Solution

The fourth proportional to 104,321.88, 156,482.82 and 48,904.92 is: 73,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,321.88 : 156,482.82 = 48,904.92 : x
  2. Step 2: Convert to fraction form
    104,321.88/156,482.82 = 48,904.92/x
  3. Step 3: Cross multiply
    104,321.88x = 156,482.82 × 48,904.92
  4. Step 4: Simplify right side
    104,321.88x = 7,652,779,793.47
  5. Step 5: Solve for x
    x = 7,652,779,793.47/104,321.88
  6. Step 6: Final answer
    x = 73,357.38

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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.