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Finding the Fourth Proportional to 133,312.50, 199,976.04 and 39,825.54

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Solution

The fourth proportional to 133,312.50, 199,976.04 and 39,825.54 is: 59,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,312.50 : 199,976.04 = 39,825.54 : x
  2. Step 2: Convert to fraction form
    133,312.50/199,976.04 = 39,825.54/x
  3. Step 3: Cross multiply
    133,312.50x = 199,976.04 × 39,825.54
  4. Step 4: Simplify right side
    133,312.50x = 7,964,153,780.06
  5. Step 5: Solve for x
    x = 7,964,153,780.06/133,312.50
  6. Step 6: Final answer
    x = 59,740.49

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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.