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Finding the Fourth Proportional to 104,392.60, 156,611.88 and 44,417.87

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Solution

The fourth proportional to 104,392.60, 156,611.88 and 44,417.87 is: 66,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,392.60 : 156,611.88 = 44,417.87 : x
  2. Step 2: Convert to fraction form
    104,392.60/156,611.88 = 44,417.87/x
  3. Step 3: Cross multiply
    104,392.60x = 156,611.88 × 44,417.87
  4. Step 4: Simplify right side
    104,392.60x = 6,956,365,930.53
  5. Step 5: Solve for x
    x = 6,956,365,930.53/104,392.60
  6. Step 6: Final answer
    x = 66,636.58

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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.