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Finding the Fourth Proportional to 103,502.01, 155,253 and 33,381.32

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Solution

The fourth proportional to 103,502.01, 155,253 and 33,381.32 is: 50,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,502.01 : 155,253 = 33,381.32 : x
  2. Step 2: Convert to fraction form
    103,502.01/155,253 = 33,381.32/x
  3. Step 3: Cross multiply
    103,502.01x = 155,253 × 33,381.32
  4. Step 4: Simplify right side
    103,502.01x = 5,182,549,297.70
  5. Step 5: Solve for x
    x = 5,182,549,297.70/103,502.01
  6. Step 6: Final answer
    x = 50,071.97

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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.