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Finding the Fourth Proportional to 248,987.45, 372,754.55 and 185,228.43

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Solution

The fourth proportional to 248,987.45, 372,754.55 and 185,228.43 is: 277,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,987.45 : 372,754.55 = 185,228.43 : x
  2. Step 2: Convert to fraction form
    248,987.45/372,754.55 = 185,228.43/x
  3. Step 3: Cross multiply
    248,987.45x = 372,754.55 × 185,228.43
  4. Step 4: Simplify right side
    248,987.45x = 69,044,739,145.71
  5. Step 5: Solve for x
    x = 69,044,739,145.71/248,987.45
  6. Step 6: Final answer
    x = 277,302.09

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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.