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Finding the Fourth Proportional to 126,066.20, 176,623.90 and 126,066.20

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Solution

The fourth proportional to 126,066.20, 176,623.90 and 126,066.20 is: 176,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,066.20 : 176,623.90 = 126,066.20 : x
  2. Step 2: Convert to fraction form
    126,066.20/176,623.90 = 126,066.20/x
  3. Step 3: Cross multiply
    126,066.20x = 176,623.90 × 126,066.20
  4. Step 4: Simplify right side
    126,066.20x = 22,266,303,902.18
  5. Step 5: Solve for x
    x = 22,266,303,902.18/126,066.20
  6. Step 6: Final answer
    x = 176,623.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.