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Finding the Fourth Proportional to 351,751.78, 527,498.43 and 120,875.29

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Solution

The fourth proportional to 351,751.78, 527,498.43 and 120,875.29 is: 181,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,751.78 : 527,498.43 = 120,875.29 : x
  2. Step 2: Convert to fraction form
    351,751.78/527,498.43 = 120,875.29/x
  3. Step 3: Cross multiply
    351,751.78x = 527,498.43 × 120,875.29
  4. Step 4: Simplify right side
    351,751.78x = 63,761,523,928.77
  5. Step 5: Solve for x
    x = 63,761,523,928.77/351,751.78
  6. Step 6: Final answer
    x = 181,268.52

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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.