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Finding the Fourth Proportional to 168,063.80, 231,917.08 and 92,612.28

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Solution

The fourth proportional to 168,063.80, 231,917.08 and 92,612.28 is: 127,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,063.80 : 231,917.08 = 92,612.28 : x
  2. Step 2: Convert to fraction form
    168,063.80/231,917.08 = 92,612.28/x
  3. Step 3: Cross multiply
    168,063.80x = 231,917.08 × 92,612.28
  4. Step 4: Simplify right side
    168,063.80x = 21,478,369,549.74
  5. Step 5: Solve for x
    x = 21,478,369,549.74/168,063.80
  6. Step 6: Final answer
    x = 127,798.90

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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.