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Finding the Fourth Proportional to 176,995.80, 244,239.30 and 100,499.40

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Solution

The fourth proportional to 176,995.80, 244,239.30 and 100,499.40 is: 138,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,995.80 : 244,239.30 = 100,499.40 : x
  2. Step 2: Convert to fraction form
    176,995.80/244,239.30 = 100,499.40/x
  3. Step 3: Cross multiply
    176,995.80x = 244,239.30 × 100,499.40
  4. Step 4: Simplify right side
    176,995.80x = 24,545,903,106.42
  5. Step 5: Solve for x
    x = 24,545,903,106.42/176,995.80
  6. Step 6: Final answer
    x = 138,680.71

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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.