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Finding the Fourth Proportional to 101,493.80, 142,324.60 and 101,493.80

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Solution

The fourth proportional to 101,493.80, 142,324.60 and 101,493.80 is: 142,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,493.80 : 142,324.60 = 101,493.80 : x
  2. Step 2: Convert to fraction form
    101,493.80/142,324.60 = 101,493.80/x
  3. Step 3: Cross multiply
    101,493.80x = 142,324.60 × 101,493.80
  4. Step 4: Simplify right side
    101,493.80x = 14,445,064,487.48
  5. Step 5: Solve for x
    x = 14,445,064,487.48/101,493.80
  6. Step 6: Final answer
    x = 142,324.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.