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Finding the Fourth Proportional to 229,717.02, 344,575.54 and 71,957.76

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Solution

The fourth proportional to 229,717.02, 344,575.54 and 71,957.76 is: 107,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,717.02 : 344,575.54 = 71,957.76 : x
  2. Step 2: Convert to fraction form
    229,717.02/344,575.54 = 71,957.76/x
  3. Step 3: Cross multiply
    229,717.02x = 344,575.54 × 71,957.76
  4. Step 4: Simplify right side
    229,717.02x = 24,794,884,009.19
  5. Step 5: Solve for x
    x = 24,794,884,009.19/229,717.02
  6. Step 6: Final answer
    x = 107,936.64

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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.