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Finding the Fourth Proportional to 104,438.60, 156,657.90 and 62,966.60

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Solution

The fourth proportional to 104,438.60, 156,657.90 and 62,966.60 is: 94,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,438.60 : 156,657.90 = 62,966.60 : x
  2. Step 2: Convert to fraction form
    104,438.60/156,657.90 = 62,966.60/x
  3. Step 3: Cross multiply
    104,438.60x = 156,657.90 × 62,966.60
  4. Step 4: Simplify right side
    104,438.60x = 9,864,215,326.14
  5. Step 5: Solve for x
    x = 9,864,215,326.14/104,438.60
  6. Step 6: Final answer
    x = 94,449.90

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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.