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Finding the Fourth Proportional to 75,092.92, 103,665.63 and 43,255.60

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Solution

The fourth proportional to 75,092.92, 103,665.63 and 43,255.60 is: 59,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,092.92 : 103,665.63 = 43,255.60 : x
  2. Step 2: Convert to fraction form
    75,092.92/103,665.63 = 43,255.60/x
  3. Step 3: Cross multiply
    75,092.92x = 103,665.63 × 43,255.60
  4. Step 4: Simplify right side
    75,092.92x = 4,484,119,025.03
  5. Step 5: Solve for x
    x = 4,484,119,025.03/75,092.92
  6. Step 6: Final answer
    x = 59,714.27

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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.