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Finding the Fourth Proportional to 171,074.44, 236,099.06 and 99,448.20

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Solution

The fourth proportional to 171,074.44, 236,099.06 and 99,448.20 is: 137,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,074.44 : 236,099.06 = 99,448.20 : x
  2. Step 2: Convert to fraction form
    171,074.44/236,099.06 = 99,448.20/x
  3. Step 3: Cross multiply
    171,074.44x = 236,099.06 × 99,448.20
  4. Step 4: Simplify right side
    171,074.44x = 23,479,626,538.69
  5. Step 5: Solve for x
    x = 23,479,626,538.69/171,074.44
  6. Step 6: Final answer
    x = 137,248.01

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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.