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Finding the Fourth Proportional to 352,886.66, 529,328.94 and 100,167.36

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Solution

The fourth proportional to 352,886.66, 529,328.94 and 100,167.36 is: 150,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,886.66 : 529,328.94 = 100,167.36 : x
  2. Step 2: Convert to fraction form
    352,886.66/529,328.94 = 100,167.36/x
  3. Step 3: Cross multiply
    352,886.66x = 529,328.94 × 100,167.36
  4. Step 4: Simplify right side
    352,886.66x = 53,021,481,579.32
  5. Step 5: Solve for x
    x = 53,021,481,579.32/352,886.66
  6. Step 6: Final answer
    x = 150,250.74

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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.