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Finding the Fourth Proportional to 117,245.18, 175,866.24 and 28,498.43

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Solution

The fourth proportional to 117,245.18, 175,866.24 and 28,498.43 is: 42,747.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,245.18 : 175,866.24 = 28,498.43 : x
  2. Step 2: Convert to fraction form
    117,245.18/175,866.24 = 28,498.43/x
  3. Step 3: Cross multiply
    117,245.18x = 175,866.24 × 28,498.43
  4. Step 4: Simplify right side
    117,245.18x = 5,011,911,730.00
  5. Step 5: Solve for x
    x = 5,011,911,730.00/117,245.18
  6. Step 6: Final answer
    x = 42,747.27

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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.