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Finding the Fourth Proportional to 352,712.00, 529,208.18 and 112,862.85

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Solution

The fourth proportional to 352,712.00, 529,208.18 and 112,862.85 is: 169,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,712.00 : 529,208.18 = 112,862.85 : x
  2. Step 2: Convert to fraction form
    352,712.00/529,208.18 = 112,862.85/x
  3. Step 3: Cross multiply
    352,712.00x = 529,208.18 × 112,862.85
  4. Step 4: Simplify right side
    352,712.00x = 59,727,943,720.27
  5. Step 5: Solve for x
    x = 59,727,943,720.27/352,712.00
  6. Step 6: Final answer
    x = 169,339.13

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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.