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Finding the Fourth Proportional to 92,628.94, 138,943.20 and 22,508.32

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Solution

The fourth proportional to 92,628.94, 138,943.20 and 22,508.32 is: 33,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,628.94 : 138,943.20 = 22,508.32 : x
  2. Step 2: Convert to fraction form
    92,628.94/138,943.20 = 22,508.32/x
  3. Step 3: Cross multiply
    92,628.94x = 138,943.20 × 22,508.32
  4. Step 4: Simplify right side
    92,628.94x = 3,127,378,007.42
  5. Step 5: Solve for x
    x = 3,127,378,007.42/92,628.94
  6. Step 6: Final answer
    x = 33,762.43

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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.