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Finding the Fourth Proportional to 351,518.37, 527,301.95 and 141,156.33

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Solution

The fourth proportional to 351,518.37, 527,301.95 and 141,156.33 is: 211,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,518.37 : 527,301.95 = 141,156.33 : x
  2. Step 2: Convert to fraction form
    351,518.37/527,301.95 = 141,156.33/x
  3. Step 3: Cross multiply
    351,518.37x = 527,301.95 × 141,156.33
  4. Step 4: Simplify right side
    351,518.37x = 74,432,008,063.84
  5. Step 5: Solve for x
    x = 74,432,008,063.84/351,518.37
  6. Step 6: Final answer
    x = 211,744.29

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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.