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Finding the Fourth Proportional to 188,390.01, 282,478.50 and 61,996.10

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Solution

The fourth proportional to 188,390.01, 282,478.50 and 61,996.10 is: 92,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,390.01 : 282,478.50 = 61,996.10 : x
  2. Step 2: Convert to fraction form
    188,390.01/282,478.50 = 61,996.10/x
  3. Step 3: Cross multiply
    188,390.01x = 282,478.50 × 61,996.10
  4. Step 4: Simplify right side
    188,390.01x = 17,512,566,040.05
  5. Step 5: Solve for x
    x = 17,512,566,040.05/188,390.01
  6. Step 6: Final answer
    x = 92,959.10

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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.