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Finding the Fourth Proportional to 176,570.30, 264,855.45 and 126,544.70

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Solution

The fourth proportional to 176,570.30, 264,855.45 and 126,544.70 is: 189,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,570.30 : 264,855.45 = 126,544.70 : x
  2. Step 2: Convert to fraction form
    176,570.30/264,855.45 = 126,544.70/x
  3. Step 3: Cross multiply
    176,570.30x = 264,855.45 × 126,544.70
  4. Step 4: Simplify right side
    176,570.30x = 33,516,053,463.62
  5. Step 5: Solve for x
    x = 33,516,053,463.62/176,570.30
  6. Step 6: Final answer
    x = 189,817.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.