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Finding the Fourth Proportional to 117,255.53, 175,883.29 and 28,508.42

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Solution

The fourth proportional to 117,255.53, 175,883.29 and 28,508.42 is: 42,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,255.53 : 175,883.29 = 28,508.42 : x
  2. Step 2: Convert to fraction form
    117,255.53/175,883.29 = 28,508.42/x
  3. Step 3: Cross multiply
    117,255.53x = 175,883.29 × 28,508.42
  4. Step 4: Simplify right side
    117,255.53x = 5,014,155,070.74
  5. Step 5: Solve for x
    x = 5,014,155,070.74/117,255.53
  6. Step 6: Final answer
    x = 42,762.63

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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.