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Finding the Fourth Proportional to 229,803.66, 344,760.86 and 72,032.11

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Solution

The fourth proportional to 229,803.66, 344,760.86 and 72,032.11 is: 108,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,803.66 : 344,760.86 = 72,032.11 : x
  2. Step 2: Convert to fraction form
    229,803.66/344,760.86 = 72,032.11/x
  3. Step 3: Cross multiply
    229,803.66x = 344,760.86 × 72,032.11
  4. Step 4: Simplify right side
    229,803.66x = 24,833,852,073.85
  5. Step 5: Solve for x
    x = 24,833,852,073.85/229,803.66
  6. Step 6: Final answer
    x = 108,065.52

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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.