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Finding the Fourth Proportional to 78,841.35, 108,796.50 and 44,845.11

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Solution

The fourth proportional to 78,841.35, 108,796.50 and 44,845.11 is: 61,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,841.35 : 108,796.50 = 44,845.11 : x
  2. Step 2: Convert to fraction form
    78,841.35/108,796.50 = 44,845.11/x
  3. Step 3: Cross multiply
    78,841.35x = 108,796.50 × 44,845.11
  4. Step 4: Simplify right side
    78,841.35x = 4,878,991,010.12
  5. Step 5: Solve for x
    x = 4,878,991,010.12/78,841.35
  6. Step 6: Final answer
    x = 61,883.66

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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.