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Finding the Fourth Proportional to 114,072.52, 157,421.12 and 63,082.62

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Solution

The fourth proportional to 114,072.52, 157,421.12 and 63,082.62 is: 87,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,072.52 : 157,421.12 = 63,082.62 : x
  2. Step 2: Convert to fraction form
    114,072.52/157,421.12 = 63,082.62/x
  3. Step 3: Cross multiply
    114,072.52x = 157,421.12 × 63,082.62
  4. Step 4: Simplify right side
    114,072.52x = 9,930,536,063.54
  5. Step 5: Solve for x
    x = 9,930,536,063.54/114,072.52
  6. Step 6: Final answer
    x = 87,054.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.