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Finding the Fourth Proportional to 137,336.66, 205,924.78 and 58,410.26

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Solution

The fourth proportional to 137,336.66, 205,924.78 and 58,410.26 is: 87,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,336.66 : 205,924.78 = 58,410.26 : x
  2. Step 2: Convert to fraction form
    137,336.66/205,924.78 = 58,410.26/x
  3. Step 3: Cross multiply
    137,336.66x = 205,924.78 × 58,410.26
  4. Step 4: Simplify right side
    137,336.66x = 12,028,119,940.24
  5. Step 5: Solve for x
    x = 12,028,119,940.24/137,336.66
  6. Step 6: Final answer
    x = 87,581.28

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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.