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Finding the Fourth Proportional to 164,808.60, 247,212.90 and 40,149.60

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Solution

The fourth proportional to 164,808.60, 247,212.90 and 40,149.60 is: 60,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,808.60 : 247,212.90 = 40,149.60 : x
  2. Step 2: Convert to fraction form
    164,808.60/247,212.90 = 40,149.60/x
  3. Step 3: Cross multiply
    164,808.60x = 247,212.90 × 40,149.60
  4. Step 4: Simplify right side
    164,808.60x = 9,925,499,049.84
  5. Step 5: Solve for x
    x = 9,925,499,049.84/164,808.60
  6. Step 6: Final answer
    x = 60,224.40

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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.