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Finding the Fourth Proportional to 109,777.78, 151,489.48 and 62,030.10

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Solution

The fourth proportional to 109,777.78, 151,489.48 and 62,030.10 is: 85,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,777.78 : 151,489.48 = 62,030.10 : x
  2. Step 2: Convert to fraction form
    109,777.78/151,489.48 = 62,030.10/x
  3. Step 3: Cross multiply
    109,777.78x = 151,489.48 × 62,030.10
  4. Step 4: Simplify right side
    109,777.78x = 9,396,907,593.35
  5. Step 5: Solve for x
    x = 9,396,907,593.35/109,777.78
  6. Step 6: Final answer
    x = 85,599.36

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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.