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Finding the Fourth Proportional to 85,466.44, 117,904.51 and 49,649.76

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Solution

The fourth proportional to 85,466.44, 117,904.51 and 49,649.76 is: 68,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,466.44 : 117,904.51 = 49,649.76 : x
  2. Step 2: Convert to fraction form
    85,466.44/117,904.51 = 49,649.76/x
  3. Step 3: Cross multiply
    85,466.44x = 117,904.51 × 49,649.76
  4. Step 4: Simplify right side
    85,466.44x = 5,853,930,686.48
  5. Step 5: Solve for x
    x = 5,853,930,686.48/85,466.44
  6. Step 6: Final answer
    x = 68,493.91

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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.