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Finding the Fourth Proportional to 92,315.32, 138,472.98 and 22,194.63

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Solution

The fourth proportional to 92,315.32, 138,472.98 and 22,194.63 is: 33,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,315.32 : 138,472.98 = 22,194.63 : x
  2. Step 2: Convert to fraction form
    92,315.32/138,472.98 = 22,194.63/x
  3. Step 3: Cross multiply
    92,315.32x = 138,472.98 × 22,194.63
  4. Step 4: Simplify right side
    92,315.32x = 3,073,356,955.96
  5. Step 5: Solve for x
    x = 3,073,356,955.96/92,315.32
  6. Step 6: Final answer
    x = 33,291.95

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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.