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Finding the Fourth Proportional to 104,995.44, 144,893.88 and 61,976.88

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Solution

The fourth proportional to 104,995.44, 144,893.88 and 61,976.88 is: 85,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,995.44 : 144,893.88 = 61,976.88 : x
  2. Step 2: Convert to fraction form
    104,995.44/144,893.88 = 61,976.88/x
  3. Step 3: Cross multiply
    104,995.44x = 144,893.88 × 61,976.88
  4. Step 4: Simplify right side
    104,995.44x = 8,980,070,613.49
  5. Step 5: Solve for x
    x = 8,980,070,613.49/104,995.44
  6. Step 6: Final answer
    x = 85,528.20

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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.