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Finding the Fourth Proportional to 77,174.52, 115,764.21 and 26,573.01

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Solution

The fourth proportional to 77,174.52, 115,764.21 and 26,573.01 is: 39,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,174.52 : 115,764.21 = 26,573.01 : x
  2. Step 2: Convert to fraction form
    77,174.52/115,764.21 = 26,573.01/x
  3. Step 3: Cross multiply
    77,174.52x = 115,764.21 × 26,573.01
  4. Step 4: Simplify right side
    77,174.52x = 3,076,203,509.97
  5. Step 5: Solve for x
    x = 3,076,203,509.97/77,174.52
  6. Step 6: Final answer
    x = 39,860.35

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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.