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Finding the Fourth Proportional to 92,422.90, 138,634.36 and 22,302.21

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Solution

The fourth proportional to 92,422.90, 138,634.36 and 22,302.21 is: 33,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,422.90 : 138,634.36 = 22,302.21 : x
  2. Step 2: Convert to fraction form
    92,422.90/138,634.36 = 22,302.21/x
  3. Step 3: Cross multiply
    92,422.90x = 138,634.36 × 22,302.21
  4. Step 4: Simplify right side
    92,422.90x = 3,091,852,746.87
  5. Step 5: Solve for x
    x = 3,091,852,746.87/92,422.90
  6. Step 6: Final answer
    x = 33,453.32

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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.