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Finding the Fourth Proportional to 174,475.80, 261,713.70 and 162,811.80

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Solution

The fourth proportional to 174,475.80, 261,713.70 and 162,811.80 is: 244,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,475.80 : 261,713.70 = 162,811.80 : x
  2. Step 2: Convert to fraction form
    174,475.80/261,713.70 = 162,811.80/x
  3. Step 3: Cross multiply
    174,475.80x = 261,713.70 × 162,811.80
  4. Step 4: Simplify right side
    174,475.80x = 42,610,078,581.66
  5. Step 5: Solve for x
    x = 42,610,078,581.66/174,475.80
  6. Step 6: Final answer
    x = 244,217.70

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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.