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Finding the Fourth Proportional to 352,677.85, 529,036.72 and 112,812.75

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Solution

The fourth proportional to 352,677.85, 529,036.72 and 112,812.75 is: 169,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,677.85 : 529,036.72 = 112,812.75 : x
  2. Step 2: Convert to fraction form
    352,677.85/529,036.72 = 112,812.75/x
  3. Step 3: Cross multiply
    352,677.85x = 529,036.72 × 112,812.75
  4. Step 4: Simplify right side
    352,677.85x = 59,682,086,952.15
  5. Step 5: Solve for x
    x = 59,682,086,952.15/352,677.85
  6. Step 6: Final answer
    x = 169,225.51

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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.