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Finding the Fourth Proportional to 131,662.94, 197,604.95 and 56,839.59

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Solution

The fourth proportional to 131,662.94, 197,604.95 and 56,839.59 is: 85,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,662.94 : 197,604.95 = 56,839.59 : x
  2. Step 2: Convert to fraction form
    131,662.94/197,604.95 = 56,839.59/x
  3. Step 3: Cross multiply
    131,662.94x = 197,604.95 × 56,839.59
  4. Step 4: Simplify right side
    131,662.94x = 11,231,784,055.77
  5. Step 5: Solve for x
    x = 11,231,784,055.77/131,662.94
  6. Step 6: Final answer
    x = 85,307.11

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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.