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Finding the Fourth Proportional to 117,245.88, 175,869.36 and 37,292.40

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Solution

The fourth proportional to 117,245.88, 175,869.36 and 37,292.40 is: 55,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,245.88 : 175,869.36 = 37,292.40 : x
  2. Step 2: Convert to fraction form
    117,245.88/175,869.36 = 37,292.40/x
  3. Step 3: Cross multiply
    117,245.88x = 175,869.36 × 37,292.40
  4. Step 4: Simplify right side
    117,245.88x = 6,558,590,520.86
  5. Step 5: Solve for x
    x = 6,558,590,520.86/117,245.88
  6. Step 6: Final answer
    x = 55,938.77

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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.