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Finding the Fourth Proportional to 92,538.92, 138,807.90 and 22,418.24

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Solution

The fourth proportional to 92,538.92, 138,807.90 and 22,418.24 is: 33,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,538.92 : 138,807.90 = 22,418.24 : x
  2. Step 2: Convert to fraction form
    92,538.92/138,807.90 = 22,418.24/x
  3. Step 3: Cross multiply
    92,538.92x = 138,807.90 × 22,418.24
  4. Step 4: Simplify right side
    92,538.92x = 3,111,828,816.10
  5. Step 5: Solve for x
    x = 3,111,828,816.10/92,538.92
  6. Step 6: Final answer
    x = 33,627.24

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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.