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Finding the Fourth Proportional to 174,659.56, 262,021.80 and 56,318.56

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Solution

The fourth proportional to 174,659.56, 262,021.80 and 56,318.56 is: 84,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,659.56 : 262,021.80 = 56,318.56 : x
  2. Step 2: Convert to fraction form
    174,659.56/262,021.80 = 56,318.56/x
  3. Step 3: Cross multiply
    174,659.56x = 262,021.80 × 56,318.56
  4. Step 4: Simplify right side
    174,659.56x = 14,756,690,464.61
  5. Step 5: Solve for x
    x = 14,756,690,464.61/174,659.56
  6. Step 6: Final answer
    x = 84,488.31

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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.