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Finding the Fourth Proportional to 136,663.91, 205,055.06 and 73,410.23

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Solution

The fourth proportional to 136,663.91, 205,055.06 and 73,410.23 is: 110,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,663.91 : 205,055.06 = 73,410.23 : x
  2. Step 2: Convert to fraction form
    136,663.91/205,055.06 = 73,410.23/x
  3. Step 3: Cross multiply
    136,663.91x = 205,055.06 × 73,410.23
  4. Step 4: Simplify right side
    136,663.91x = 15,053,137,724.94
  5. Step 5: Solve for x
    x = 15,053,137,724.94/136,663.91
  6. Step 6: Final answer
    x = 110,147.14

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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.