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Finding the Fourth Proportional to 89,774.67, 123,883.47 and 49,486.35

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Solution

The fourth proportional to 89,774.67, 123,883.47 and 49,486.35 is: 68,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,774.67 : 123,883.47 = 49,486.35 : x
  2. Step 2: Convert to fraction form
    89,774.67/123,883.47 = 49,486.35/x
  3. Step 3: Cross multiply
    89,774.67x = 123,883.47 × 49,486.35
  4. Step 4: Simplify right side
    89,774.67x = 6,130,540,755.63
  5. Step 5: Solve for x
    x = 6,130,540,755.63/89,774.67
  6. Step 6: Final answer
    x = 68,288.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.