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Finding the Fourth Proportional to 352,695.75, 529,063.67 and 112,830.72

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Solution

The fourth proportional to 352,695.75, 529,063.67 and 112,830.72 is: 169,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,695.75 : 529,063.67 = 112,830.72 : x
  2. Step 2: Convert to fraction form
    352,695.75/529,063.67 = 112,830.72/x
  3. Step 3: Cross multiply
    352,695.75x = 529,063.67 × 112,830.72
  4. Step 4: Simplify right side
    352,695.75x = 59,694,635,094.02
  5. Step 5: Solve for x
    x = 59,694,635,094.02/352,695.75
  6. Step 6: Final answer
    x = 169,252.49

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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.