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Finding the Fourth Proportional to 117,174.27, 175,706.19 and 42,284.64

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Solution

The fourth proportional to 117,174.27, 175,706.19 and 42,284.64 is: 63,407.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,174.27 : 175,706.19 = 42,284.64 : x
  2. Step 2: Convert to fraction form
    117,174.27/175,706.19 = 42,284.64/x
  3. Step 3: Cross multiply
    117,174.27x = 175,706.19 × 42,284.64
  4. Step 4: Simplify right side
    117,174.27x = 7,429,672,989.92
  5. Step 5: Solve for x
    x = 7,429,672,989.92/117,174.27
  6. Step 6: Final answer
    x = 63,407.03

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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.