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Finding the Fourth Proportional to 248,199.45, 372,188.45 and 70,664.93

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Solution

The fourth proportional to 248,199.45, 372,188.45 and 70,664.93 is: 105,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,199.45 : 372,188.45 = 70,664.93 : x
  2. Step 2: Convert to fraction form
    248,199.45/372,188.45 = 70,664.93/x
  3. Step 3: Cross multiply
    248,199.45x = 372,188.45 × 70,664.93
  4. Step 4: Simplify right side
    248,199.45x = 26,300,669,081.78
  5. Step 5: Solve for x
    x = 26,300,669,081.78/248,199.45
  6. Step 6: Final answer
    x = 105,965.86

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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.