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Finding the Fourth Proportional to 104,656.30, 156,984.45 and 62,665.90

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Solution

The fourth proportional to 104,656.30, 156,984.45 and 62,665.90 is: 93,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,656.30 : 156,984.45 = 62,665.90 : x
  2. Step 2: Convert to fraction form
    104,656.30/156,984.45 = 62,665.90/x
  3. Step 3: Cross multiply
    104,656.30x = 156,984.45 × 62,665.90
  4. Step 4: Simplify right side
    104,656.30x = 9,837,571,845.26
  5. Step 5: Solve for x
    x = 9,837,571,845.26/104,656.30
  6. Step 6: Final answer
    x = 93,998.85

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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.