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Finding the Fourth Proportional to 175,029.60, 262,400.40 and 75,266.40

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Solution

The fourth proportional to 175,029.60, 262,400.40 and 75,266.40 is: 112,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,029.60 : 262,400.40 = 75,266.40 : x
  2. Step 2: Convert to fraction form
    175,029.60/262,400.40 = 75,266.40/x
  3. Step 3: Cross multiply
    175,029.60x = 262,400.40 × 75,266.40
  4. Step 4: Simplify right side
    175,029.60x = 19,749,933,466.56
  5. Step 5: Solve for x
    x = 19,749,933,466.56/175,029.60
  6. Step 6: Final answer
    x = 112,837.68

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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.