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Finding the Fourth Proportional to 164,917.62, 247,410.05 and 70,147.62

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Solution

The fourth proportional to 164,917.62, 247,410.05 and 70,147.62 is: 105,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,917.62 : 247,410.05 = 70,147.62 : x
  2. Step 2: Convert to fraction form
    164,917.62/247,410.05 = 70,147.62/x
  3. Step 3: Cross multiply
    164,917.62x = 247,410.05 × 70,147.62
  4. Step 4: Simplify right side
    164,917.62x = 17,355,225,820.84
  5. Step 5: Solve for x
    x = 17,355,225,820.84/164,917.62
  6. Step 6: Final answer
    x = 105,235.73

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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.