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Finding the Fourth Proportional to 157,992.92, 218,032.81 and 94,336.28

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Solution

The fourth proportional to 157,992.92, 218,032.81 and 94,336.28 is: 130,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,992.92 : 218,032.81 = 94,336.28 : x
  2. Step 2: Convert to fraction form
    157,992.92/218,032.81 = 94,336.28/x
  3. Step 3: Cross multiply
    157,992.92x = 218,032.81 × 94,336.28
  4. Step 4: Simplify right side
    157,992.92x = 20,568,403,123.18
  5. Step 5: Solve for x
    x = 20,568,403,123.18/157,992.92
  6. Step 6: Final answer
    x = 130,185.60

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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.