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Finding the Fourth Proportional to 301,088.74, 415,520.82 and 173,772.52

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Solution

The fourth proportional to 301,088.74, 415,520.82 and 173,772.52 is: 239,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,088.74 : 415,520.82 = 173,772.52 : x
  2. Step 2: Convert to fraction form
    301,088.74/415,520.82 = 173,772.52/x
  3. Step 3: Cross multiply
    301,088.74x = 415,520.82 × 173,772.52
  4. Step 4: Simplify right side
    301,088.74x = 72,206,100,003.87
  5. Step 5: Solve for x
    x = 72,206,100,003.87/301,088.74
  6. Step 6: Final answer
    x = 239,816.67

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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.