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Finding the Fourth Proportional to 158,057.68, 236,823.28 and 111,212.16

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Solution

The fourth proportional to 158,057.68, 236,823.28 and 111,212.16 is: 166,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,057.68 : 236,823.28 = 111,212.16 : x
  2. Step 2: Convert to fraction form
    158,057.68/236,823.28 = 111,212.16/x
  3. Step 3: Cross multiply
    158,057.68x = 236,823.28 × 111,212.16
  4. Step 4: Simplify right side
    158,057.68x = 26,337,628,507.08
  5. Step 5: Solve for x
    x = 26,337,628,507.08/158,057.68
  6. Step 6: Final answer
    x = 166,633.02

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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.