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Finding the Fourth Proportional to 91,295.52, 125,976.24 and 53,556

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Solution

The fourth proportional to 91,295.52, 125,976.24 and 53,556 is: 73,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,295.52 : 125,976.24 = 53,556 : x
  2. Step 2: Convert to fraction form
    91,295.52/125,976.24 = 53,556/x
  3. Step 3: Cross multiply
    91,295.52x = 125,976.24 × 53,556
  4. Step 4: Simplify right side
    91,295.52x = 6,746,783,509.44
  5. Step 5: Solve for x
    x = 6,746,783,509.44/91,295.52
  6. Step 6: Final answer
    x = 73,900.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.