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Finding the Fourth Proportional to 229,851.60, 344,809.80 and 72,063.60

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Solution

The fourth proportional to 229,851.60, 344,809.80 and 72,063.60 is: 108,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,851.60 : 344,809.80 = 72,063.60 : x
  2. Step 2: Convert to fraction form
    229,851.60/344,809.80 = 72,063.60/x
  3. Step 3: Cross multiply
    229,851.60x = 344,809.80 × 72,063.60
  4. Step 4: Simplify right side
    229,851.60x = 24,848,235,503.28
  5. Step 5: Solve for x
    x = 24,848,235,503.28/229,851.60
  6. Step 6: Final answer
    x = 108,105.56

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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.