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Finding the Fourth Proportional to 168,379.84, 232,363.12 and 92,928.32

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Solution

The fourth proportional to 168,379.84, 232,363.12 and 92,928.32 is: 128,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,379.84 : 232,363.12 = 92,928.32 : x
  2. Step 2: Convert to fraction form
    168,379.84/232,363.12 = 92,928.32/x
  3. Step 3: Cross multiply
    168,379.84x = 232,363.12 × 92,928.32
  4. Step 4: Simplify right side
    168,379.84x = 21,593,114,371.56
  5. Step 5: Solve for x
    x = 21,593,114,371.56/168,379.84
  6. Step 6: Final answer
    x = 128,240.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.