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Finding the Fourth Proportional to 174,782.62, 262,007.82 and 111,424.93

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Solution

The fourth proportional to 174,782.62, 262,007.82 and 111,424.93 is: 167,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,782.62 : 262,007.82 = 111,424.93 : x
  2. Step 2: Convert to fraction form
    174,782.62/262,007.82 = 111,424.93/x
  3. Step 3: Cross multiply
    174,782.62x = 262,007.82 × 111,424.93
  4. Step 4: Simplify right side
    174,782.62x = 29,194,203,002.95
  5. Step 5: Solve for x
    x = 29,194,203,002.95/174,782.62
  6. Step 6: Final answer
    x = 167,031.50

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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.