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Finding the Fourth Proportional to 220,083.66, 329,695.70 and 151,682.98

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Solution

The fourth proportional to 220,083.66, 329,695.70 and 151,682.98 is: 227,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,083.66 : 329,695.70 = 151,682.98 : x
  2. Step 2: Convert to fraction form
    220,083.66/329,695.70 = 151,682.98/x
  3. Step 3: Cross multiply
    220,083.66x = 329,695.70 × 151,682.98
  4. Step 4: Simplify right side
    220,083.66x = 50,009,225,824.15
  5. Step 5: Solve for x
    x = 50,009,225,824.15/220,083.66
  6. Step 6: Final answer
    x = 227,228.25

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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.