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Finding the Fourth Proportional to 291,793.76, 437,526.47 and 92,076.92

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Solution

The fourth proportional to 291,793.76, 437,526.47 and 92,076.92 is: 138,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,793.76 : 437,526.47 = 92,076.92 : x
  2. Step 2: Convert to fraction form
    291,793.76/437,526.47 = 92,076.92/x
  3. Step 3: Cross multiply
    291,793.76x = 437,526.47 × 92,076.92
  4. Step 4: Simplify right side
    291,793.76x = 40,286,089,776.07
  5. Step 5: Solve for x
    x = 40,286,089,776.07/291,793.76
  6. Step 6: Final answer
    x = 138,063.58

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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.