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Finding the Fourth Proportional to 94,847.95, 130,738.15 and 64,211.39

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Solution

The fourth proportional to 94,847.95, 130,738.15 and 64,211.39 is: 88,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,847.95 : 130,738.15 = 64,211.39 : x
  2. Step 2: Convert to fraction form
    94,847.95/130,738.15 = 64,211.39/x
  3. Step 3: Cross multiply
    94,847.95x = 130,738.15 × 64,211.39
  4. Step 4: Simplify right side
    94,847.95x = 8,394,878,254.37
  5. Step 5: Solve for x
    x = 8,394,878,254.37/94,847.95
  6. Step 6: Final answer
    x = 88,508.80

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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.