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Finding the Fourth Proportional to 176,557.60, 264,739.20 and 71,257.60

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Solution

The fourth proportional to 176,557.60, 264,739.20 and 71,257.60 is: 106,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,557.60 : 264,739.20 = 71,257.60 : x
  2. Step 2: Convert to fraction form
    176,557.60/264,739.20 = 71,257.60/x
  3. Step 3: Cross multiply
    176,557.60x = 264,739.20 × 71,257.60
  4. Step 4: Simplify right side
    176,557.60x = 18,864,680,017.92
  5. Step 5: Solve for x
    x = 18,864,680,017.92/176,557.60
  6. Step 6: Final answer
    x = 106,847.17

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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.