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Finding the Fourth Proportional to 104,437.90, 156,656.85 and 48,277.90

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Solution

The fourth proportional to 104,437.90, 156,656.85 and 48,277.90 is: 72,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,437.90 : 156,656.85 = 48,277.90 : x
  2. Step 2: Convert to fraction form
    104,437.90/156,656.85 = 48,277.90/x
  3. Step 3: Cross multiply
    104,437.90x = 156,656.85 × 48,277.90
  4. Step 4: Simplify right side
    104,437.90x = 7,563,063,738.62
  5. Step 5: Solve for x
    x = 7,563,063,738.62/104,437.90
  6. Step 6: Final answer
    x = 72,416.85

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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.