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Finding the Fourth Proportional to 147,375.82, 220,852.51 and 84,064.94

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Solution

The fourth proportional to 147,375.82, 220,852.51 and 84,064.94 is: 125,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,375.82 : 220,852.51 = 84,064.94 : x
  2. Step 2: Convert to fraction form
    147,375.82/220,852.51 = 84,064.94/x
  3. Step 3: Cross multiply
    147,375.82x = 220,852.51 × 84,064.94
  4. Step 4: Simplify right side
    147,375.82x = 18,565,953,002.00
  5. Step 5: Solve for x
    x = 18,565,953,002.00/147,375.82
  6. Step 6: Final answer
    x = 125,976.93

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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.