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Finding the Fourth Proportional to 176,563.80, 264,845.70 and 126,538.20

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Solution

The fourth proportional to 176,563.80, 264,845.70 and 126,538.20 is: 189,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,563.80 : 264,845.70 = 126,538.20 : x
  2. Step 2: Convert to fraction form
    176,563.80/264,845.70 = 126,538.20/x
  3. Step 3: Cross multiply
    176,563.80x = 264,845.70 × 126,538.20
  4. Step 4: Simplify right side
    176,563.80x = 33,513,098,155.74
  5. Step 5: Solve for x
    x = 33,513,098,155.74/176,563.80
  6. Step 6: Final answer
    x = 189,807.30

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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.