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Finding the Fourth Proportional to 229,833.95, 344,750.92 and 72,074.70

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Solution

The fourth proportional to 229,833.95, 344,750.92 and 72,074.70 is: 108,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,833.95 : 344,750.92 = 72,074.70 : x
  2. Step 2: Convert to fraction form
    229,833.95/344,750.92 = 72,074.70/x
  3. Step 3: Cross multiply
    229,833.95x = 344,750.92 × 72,074.70
  4. Step 4: Simplify right side
    229,833.95x = 24,847,818,953.54
  5. Step 5: Solve for x
    x = 24,847,818,953.54/229,833.95
  6. Step 6: Final answer
    x = 108,112.05

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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.