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Finding the Fourth Proportional to 131,352.99, 197,057.16 and 42,599.58

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Solution

The fourth proportional to 131,352.99, 197,057.16 and 42,599.58 is: 63,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,352.99 : 197,057.16 = 42,599.58 : x
  2. Step 2: Convert to fraction form
    131,352.99/197,057.16 = 42,599.58/x
  3. Step 3: Cross multiply
    131,352.99x = 197,057.16 × 42,599.58
  4. Step 4: Simplify right side
    131,352.99x = 8,394,552,251.99
  5. Step 5: Solve for x
    x = 8,394,552,251.99/131,352.99
  6. Step 6: Final answer
    x = 63,908.35

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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.