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Finding the Fourth Proportional to 177,011.42, 244,267.25 and 100,520.42

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Solution

The fourth proportional to 177,011.42, 244,267.25 and 100,520.42 is: 138,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,011.42 : 244,267.25 = 100,520.42 : x
  2. Step 2: Convert to fraction form
    177,011.42/244,267.25 = 100,520.42/x
  3. Step 3: Cross multiply
    177,011.42x = 244,267.25 × 100,520.42
  4. Step 4: Simplify right side
    177,011.42x = 24,553,844,838.31
  5. Step 5: Solve for x
    x = 24,553,844,838.31/177,011.42
  6. Step 6: Final answer
    x = 138,713.34

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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.