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Finding the Fourth Proportional to 106,063.56, 146,368.26 and 58,320

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Solution

The fourth proportional to 106,063.56, 146,368.26 and 58,320 is: 80,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,063.56 : 146,368.26 = 58,320 : x
  2. Step 2: Convert to fraction form
    106,063.56/146,368.26 = 58,320/x
  3. Step 3: Cross multiply
    106,063.56x = 146,368.26 × 58,320
  4. Step 4: Simplify right side
    106,063.56x = 8,536,196,923.20
  5. Step 5: Solve for x
    x = 8,536,196,923.20/106,063.56
  6. Step 6: Final answer
    x = 80,481.90

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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.