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Finding the Fourth Proportional to 371,122.97, 556,416.54 and 157,773.83

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Solution

The fourth proportional to 371,122.97, 556,416.54 and 157,773.83 is: 236,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,122.97 : 556,416.54 = 157,773.83 : x
  2. Step 2: Convert to fraction form
    371,122.97/556,416.54 = 157,773.83/x
  3. Step 3: Cross multiply
    371,122.97x = 556,416.54 × 157,773.83
  4. Step 4: Simplify right side
    371,122.97x = 87,787,965,809.07
  5. Step 5: Solve for x
    x = 87,787,965,809.07/371,122.97
  6. Step 6: Final answer
    x = 236,546.84

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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.