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Finding the Fourth Proportional to 79,953, 110,344.86 and 46,419

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Solution

The fourth proportional to 79,953, 110,344.86 and 46,419 is: 64,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,953 : 110,344.86 = 46,419 : x
  2. Step 2: Convert to fraction form
    79,953/110,344.86 = 46,419/x
  3. Step 3: Cross multiply
    79,953x = 110,344.86 × 46,419
  4. Step 4: Simplify right side
    79,953x = 5,122,098,056.34
  5. Step 5: Solve for x
    x = 5,122,098,056.34/79,953
  6. Step 6: Final answer
    x = 64,063.86

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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.