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Finding the Fourth Proportional to 146,652, 202,379.76 and 79,584

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Solution

The fourth proportional to 146,652, 202,379.76 and 79,584 is: 109,825.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,652 : 202,379.76 = 79,584 : x
  2. Step 2: Convert to fraction form
    146,652/202,379.76 = 79,584/x
  3. Step 3: Cross multiply
    146,652x = 202,379.76 × 79,584
  4. Step 4: Simplify right side
    146,652x = 16,106,190,819.84
  5. Step 5: Solve for x
    x = 16,106,190,819.84/146,652
  6. Step 6: Final answer
    x = 109,825.92

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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.