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Finding the Fourth Proportional to 117,218.57, 175,592.34 and 53,950.28

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Solution

The fourth proportional to 117,218.57, 175,592.34 and 53,950.28 is: 80,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,218.57 : 175,592.34 = 53,950.28 : x
  2. Step 2: Convert to fraction form
    117,218.57/175,592.34 = 53,950.28/x
  3. Step 3: Cross multiply
    117,218.57x = 175,592.34 × 53,950.28
  4. Step 4: Simplify right side
    117,218.57x = 9,473,255,030.89
  5. Step 5: Solve for x
    x = 9,473,255,030.89/117,218.57
  6. Step 6: Final answer
    x = 80,817.02

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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.