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Finding the Fourth Proportional to 181,535.36, 250,519.32 and 100,968.08

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Solution

The fourth proportional to 181,535.36, 250,519.32 and 100,968.08 is: 139,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,535.36 : 250,519.32 = 100,968.08 : x
  2. Step 2: Convert to fraction form
    181,535.36/250,519.32 = 100,968.08/x
  3. Step 3: Cross multiply
    181,535.36x = 250,519.32 × 100,968.08
  4. Step 4: Simplify right side
    181,535.36x = 25,294,454,743.31
  5. Step 5: Solve for x
    x = 25,294,454,743.31/181,535.36
  6. Step 6: Final answer
    x = 139,336.24

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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.