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Finding the Fourth Proportional to 248,079.12, 371,649.14 and 146,573.61

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Solution

The fourth proportional to 248,079.12, 371,649.14 and 146,573.61 is: 219,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,079.12 : 371,649.14 = 146,573.61 : x
  2. Step 2: Convert to fraction form
    248,079.12/371,649.14 = 146,573.61/x
  3. Step 3: Cross multiply
    248,079.12x = 371,649.14 × 146,573.61
  4. Step 4: Simplify right side
    248,079.12x = 54,473,955,370.33
  5. Step 5: Solve for x
    x = 54,473,955,370.33/248,079.12
  6. Step 6: Final answer
    x = 219,582.99

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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.