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Finding the Fourth Proportional to 229,808.57, 344,712.95 and 72,049.32

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Solution

The fourth proportional to 229,808.57, 344,712.95 and 72,049.32 is: 108,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,808.57 : 344,712.95 = 72,049.32 : x
  2. Step 2: Convert to fraction form
    229,808.57/344,712.95 = 72,049.32/x
  3. Step 3: Cross multiply
    229,808.57x = 344,712.95 × 72,049.32
  4. Step 4: Simplify right side
    229,808.57x = 24,836,333,552.63
  5. Step 5: Solve for x
    x = 24,836,333,552.63/229,808.57
  6. Step 6: Final answer
    x = 108,074.01

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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.