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Finding the Fourth Proportional to 248,174.93, 372,121.16 and 169,384.61

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Solution

The fourth proportional to 248,174.93, 372,121.16 and 169,384.61 is: 253,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,174.93 : 372,121.16 = 169,384.61 : x
  2. Step 2: Convert to fraction form
    248,174.93/372,121.16 = 169,384.61/x
  3. Step 3: Cross multiply
    248,174.93x = 372,121.16 × 169,384.61
  4. Step 4: Simplify right side
    248,174.93x = 63,031,596,712.42
  5. Step 5: Solve for x
    x = 63,031,596,712.42/248,174.93
  6. Step 6: Final answer
    x = 253,980.52

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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.