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Finding the Fourth Proportional to 144,342.54, 216,456.36 and 55,546.68

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Solution

The fourth proportional to 144,342.54, 216,456.36 and 55,546.68 is: 83,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,342.54 : 216,456.36 = 55,546.68 : x
  2. Step 2: Convert to fraction form
    144,342.54/216,456.36 = 55,546.68/x
  3. Step 3: Cross multiply
    144,342.54x = 216,456.36 × 55,546.68
  4. Step 4: Simplify right side
    144,342.54x = 12,023,432,162.88
  5. Step 5: Solve for x
    x = 12,023,432,162.88/144,342.54
  6. Step 6: Final answer
    x = 83,297.91

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1.5x scale

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.