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Finding the Fourth Proportional to 352,012.82, 528,035.63 and 102,694.82

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Solution

The fourth proportional to 352,012.82, 528,035.63 and 102,694.82 is: 154,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,012.82 : 528,035.63 = 102,694.82 : x
  2. Step 2: Convert to fraction form
    352,012.82/528,035.63 = 102,694.82/x
  3. Step 3: Cross multiply
    352,012.82x = 528,035.63 × 102,694.82
  4. Step 4: Simplify right side
    352,012.82x = 54,226,520,822.78
  5. Step 5: Solve for x
    x = 54,226,520,822.78/352,012.82
  6. Step 6: Final answer
    x = 154,047.01

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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.