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Finding the Fourth Proportional to 117,294.77, 175,915.17 and 69,923.24

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Solution

The fourth proportional to 117,294.77, 175,915.17 and 69,923.24 is: 104,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,294.77 : 175,915.17 = 69,923.24 : x
  2. Step 2: Convert to fraction form
    117,294.77/175,915.17 = 69,923.24/x
  3. Step 3: Cross multiply
    117,294.77x = 175,915.17 × 69,923.24
  4. Step 4: Simplify right side
    117,294.77x = 12,300,558,651.55
  5. Step 5: Solve for x
    x = 12,300,558,651.55/117,294.77
  6. Step 6: Final answer
    x = 104,868.77

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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.