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Finding the Fourth Proportional to 316,600.88, 474,773.72 and 114,139.34

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Solution

The fourth proportional to 316,600.88, 474,773.72 and 114,139.34 is: 171,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,600.88 : 474,773.72 = 114,139.34 : x
  2. Step 2: Convert to fraction form
    316,600.88/474,773.72 = 114,139.34/x
  3. Step 3: Cross multiply
    316,600.88x = 474,773.72 × 114,139.34
  4. Step 4: Simplify right side
    316,600.88x = 54,190,359,050.14
  5. Step 5: Solve for x
    x = 54,190,359,050.14/316,600.88
  6. Step 6: Final answer
    x = 171,163.01

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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.