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Finding the Fourth Proportional to 108,590.75, 149,843.15 and 63,259.26

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Solution

The fourth proportional to 108,590.75, 149,843.15 and 63,259.26 is: 87,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590.75 : 149,843.15 = 63,259.26 : x
  2. Step 2: Convert to fraction form
    108,590.75/149,843.15 = 63,259.26/x
  3. Step 3: Cross multiply
    108,590.75x = 149,843.15 × 63,259.26
  4. Step 4: Simplify right side
    108,590.75x = 9,478,966,144.08
  5. Step 5: Solve for x
    x = 9,478,966,144.08/108,590.75
  6. Step 6: Final answer
    x = 87,290.73

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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.