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Finding the Fourth Proportional to 60,044.56, 90,056.60 and 20,059.01

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Solution

The fourth proportional to 60,044.56, 90,056.60 and 20,059.01 is: 30,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,044.56 : 90,056.60 = 20,059.01 : x
  2. Step 2: Convert to fraction form
    60,044.56/90,056.60 = 20,059.01/x
  3. Step 3: Cross multiply
    60,044.56x = 90,056.60 × 20,059.01
  4. Step 4: Simplify right side
    60,044.56x = 1,806,446,102.32
  5. Step 5: Solve for x
    x = 1,806,446,102.32/60,044.56
  6. Step 6: Final answer
    x = 30,085.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.