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Finding the Fourth Proportional to 188,356.31, 282,503.41 and 61,998.20

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Solution

The fourth proportional to 188,356.31, 282,503.41 and 61,998.20 is: 92,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,356.31 : 282,503.41 = 61,998.20 : x
  2. Step 2: Convert to fraction form
    188,356.31/282,503.41 = 61,998.20/x
  3. Step 3: Cross multiply
    188,356.31x = 282,503.41 × 61,998.20
  4. Step 4: Simplify right side
    188,356.31x = 17,514,701,191.35
  5. Step 5: Solve for x
    x = 17,514,701,191.35/188,356.31
  6. Step 6: Final answer
    x = 92,987.07

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1.5x scale

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.