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Finding the Fourth Proportional to 167,423.60, 251,135.40 and 56,615.60

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Solution

The fourth proportional to 167,423.60, 251,135.40 and 56,615.60 is: 84,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,423.60 : 251,135.40 = 56,615.60 : x
  2. Step 2: Convert to fraction form
    167,423.60/251,135.40 = 56,615.60/x
  3. Step 3: Cross multiply
    167,423.60x = 251,135.40 × 56,615.60
  4. Step 4: Simplify right side
    167,423.60x = 14,218,181,352.24
  5. Step 5: Solve for x
    x = 14,218,181,352.24/167,423.60
  6. Step 6: Final answer
    x = 84,923.40

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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.