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Finding the Fourth Proportional to 174,899.40, 262,478.70 and 69,793.80

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Solution

The fourth proportional to 174,899.40, 262,478.70 and 69,793.80 is: 104,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,899.40 : 262,478.70 = 69,793.80 : x
  2. Step 2: Convert to fraction form
    174,899.40/262,478.70 = 69,793.80/x
  3. Step 3: Cross multiply
    174,899.40x = 262,478.70 × 69,793.80
  4. Step 4: Simplify right side
    174,899.40x = 18,319,385,892.06
  5. Step 5: Solve for x
    x = 18,319,385,892.06/174,899.40
  6. Step 6: Final answer
    x = 104,742.42

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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.