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Finding the Fourth Proportional to 131,762.62, 197,595.87 and 56,850.58

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Solution

The fourth proportional to 131,762.62, 197,595.87 and 56,850.58 is: 85,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,762.62 : 197,595.87 = 56,850.58 : x
  2. Step 2: Convert to fraction form
    131,762.62/197,595.87 = 56,850.58/x
  3. Step 3: Cross multiply
    131,762.62x = 197,595.87 × 56,850.58
  4. Step 4: Simplify right side
    131,762.62x = 11,233,439,815.10
  5. Step 5: Solve for x
    x = 11,233,439,815.10/131,762.62
  6. Step 6: Final answer
    x = 85,255.13

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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.