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Finding the Fourth Proportional to 239,777, 359,682.78 and 92,033

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Solution

The fourth proportional to 239,777, 359,682.78 and 92,033 is: 138,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,777 : 359,682.78 = 92,033 : x
  2. Step 2: Convert to fraction form
    239,777/359,682.78 = 92,033/x
  3. Step 3: Cross multiply
    239,777x = 359,682.78 × 92,033
  4. Step 4: Simplify right side
    239,777x = 33,102,685,291.74
  5. Step 5: Solve for x
    x = 33,102,685,291.74/239,777
  6. Step 6: Final answer
    x = 138,056.13

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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.