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Finding the Fourth Proportional to 229,762.65, 344,644.10 and 72,003.45

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Solution

The fourth proportional to 229,762.65, 344,644.10 and 72,003.45 is: 108,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,762.65 : 344,644.10 = 72,003.45 : x
  2. Step 2: Convert to fraction form
    229,762.65/344,644.10 = 72,003.45/x
  3. Step 3: Cross multiply
    229,762.65x = 344,644.10 × 72,003.45
  4. Step 4: Simplify right side
    229,762.65x = 24,815,564,222.15
  5. Step 5: Solve for x
    x = 24,815,564,222.15/229,762.65
  6. Step 6: Final answer
    x = 108,005.21

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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.