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Finding the Fourth Proportional to 157,480.92, 236,357.86 and 82,653.92

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Solution

The fourth proportional to 157,480.92, 236,357.86 and 82,653.92 is: 124,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,480.92 : 236,357.86 = 82,653.92 : x
  2. Step 2: Convert to fraction form
    157,480.92/236,357.86 = 82,653.92/x
  3. Step 3: Cross multiply
    157,480.92x = 236,357.86 × 82,653.92
  4. Step 4: Simplify right side
    157,480.92x = 19,535,903,651.81
  5. Step 5: Solve for x
    x = 19,535,903,651.81/157,480.92
  6. Step 6: Final answer
    x = 124,052.51

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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.