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Finding the Fourth Proportional to 104,042.55, 143,578.12 and 58,735.24

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Solution

The fourth proportional to 104,042.55, 143,578.12 and 58,735.24 is: 81,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,042.55 : 143,578.12 = 58,735.24 : x
  2. Step 2: Convert to fraction form
    104,042.55/143,578.12 = 58,735.24/x
  3. Step 3: Cross multiply
    104,042.55x = 143,578.12 × 58,735.24
  4. Step 4: Simplify right side
    104,042.55x = 8,433,095,336.95
  5. Step 5: Solve for x
    x = 8,433,095,336.95/104,042.55
  6. Step 6: Final answer
    x = 81,054.29

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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.