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Finding the Fourth Proportional to 85,175.96, 127,763.93 and 29,017.44

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Solution

The fourth proportional to 85,175.96, 127,763.93 and 29,017.44 is: 43,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,175.96 : 127,763.93 = 29,017.44 : x
  2. Step 2: Convert to fraction form
    85,175.96/127,763.93 = 29,017.44/x
  3. Step 3: Cross multiply
    85,175.96x = 127,763.93 × 29,017.44
  4. Step 4: Simplify right side
    85,175.96x = 3,707,382,245.48
  5. Step 5: Solve for x
    x = 3,707,382,245.48/85,175.96
  6. Step 6: Final answer
    x = 43,526.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.