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Finding the Fourth Proportional to 188,353.18, 282,498.72 and 61,995.07

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Solution

The fourth proportional to 188,353.18, 282,498.72 and 61,995.07 is: 92,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,353.18 : 282,498.72 = 61,995.07 : x
  2. Step 2: Convert to fraction form
    188,353.18/282,498.72 = 61,995.07/x
  3. Step 3: Cross multiply
    188,353.18x = 282,498.72 × 61,995.07
  4. Step 4: Simplify right side
    188,353.18x = 17,513,527,921.31
  5. Step 5: Solve for x
    x = 17,513,527,921.31/188,353.18
  6. Step 6: Final answer
    x = 92,982.39

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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.