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Finding the Fourth Proportional to 103,427.08, 155,041.66 and 33,257

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Solution

The fourth proportional to 103,427.08, 155,041.66 and 33,257 is: 49,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,427.08 : 155,041.66 = 33,257 : x
  2. Step 2: Convert to fraction form
    103,427.08/155,041.66 = 33,257/x
  3. Step 3: Cross multiply
    103,427.08x = 155,041.66 × 33,257
  4. Step 4: Simplify right side
    103,427.08x = 5,156,220,486.62
  5. Step 5: Solve for x
    x = 5,156,220,486.62/103,427.08
  6. Step 6: Final answer
    x = 49,853.68

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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.