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Finding the Fourth Proportional to 188,127.92, 259,621.32 and 103,244.24

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Solution

The fourth proportional to 188,127.92, 259,621.32 and 103,244.24 is: 142,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,127.92 : 259,621.32 = 103,244.24 : x
  2. Step 2: Convert to fraction form
    188,127.92/259,621.32 = 103,244.24/x
  3. Step 3: Cross multiply
    188,127.92x = 259,621.32 × 103,244.24
  4. Step 4: Simplify right side
    188,127.92x = 26,804,405,871.20
  5. Step 5: Solve for x
    x = 26,804,405,871.20/188,127.92
  6. Step 6: Final answer
    x = 142,479.68

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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.