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Finding the Fourth Proportional to 295,774.70, 443,661.71 and 71,134.97

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Solution

The fourth proportional to 295,774.70, 443,661.71 and 71,134.97 is: 106,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,774.70 : 443,661.71 = 71,134.97 : x
  2. Step 2: Convert to fraction form
    295,774.70/443,661.71 = 71,134.97/x
  3. Step 3: Cross multiply
    295,774.70x = 443,661.71 × 71,134.97
  4. Step 4: Simplify right side
    295,774.70x = 31,559,859,857.02
  5. Step 5: Solve for x
    x = 31,559,859,857.02/295,774.70
  6. Step 6: Final answer
    x = 106,702.37

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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.