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Finding the Fourth Proportional to 301,095.68, 415,511.36 and 173,771.28

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Solution

The fourth proportional to 301,095.68, 415,511.36 and 173,771.28 is: 239,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,095.68 : 415,511.36 = 173,771.28 : x
  2. Step 2: Convert to fraction form
    301,095.68/415,511.36 = 173,771.28/x
  3. Step 3: Cross multiply
    301,095.68x = 415,511.36 × 173,771.28
  4. Step 4: Simplify right side
    301,095.68x = 72,203,940,881.74
  5. Step 5: Solve for x
    x = 72,203,940,881.74/301,095.68
  6. Step 6: Final answer
    x = 239,803.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.