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Finding the Fourth Proportional to 89,874.76, 124,027.16 and 50,130.76

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Solution

The fourth proportional to 89,874.76, 124,027.16 and 50,130.76 is: 69,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,874.76 : 124,027.16 = 50,130.76 : x
  2. Step 2: Convert to fraction form
    89,874.76/124,027.16 = 50,130.76/x
  3. Step 3: Cross multiply
    89,874.76x = 124,027.16 × 50,130.76
  4. Step 4: Simplify right side
    89,874.76x = 6,217,575,791.44
  5. Step 5: Solve for x
    x = 6,217,575,791.44/89,874.76
  6. Step 6: Final answer
    x = 69,180.44

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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.