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Finding the Fourth Proportional to 144,235.88, 216,236.76 and 60,059.03

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Solution

The fourth proportional to 144,235.88, 216,236.76 and 60,059.03 is: 90,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,235.88 : 216,236.76 = 60,059.03 : x
  2. Step 2: Convert to fraction form
    144,235.88/216,236.76 = 60,059.03/x
  3. Step 3: Cross multiply
    144,235.88x = 216,236.76 × 60,059.03
  4. Step 4: Simplify right side
    144,235.88x = 12,986,968,974.76
  5. Step 5: Solve for x
    x = 12,986,968,974.76/144,235.88
  6. Step 6: Final answer
    x = 90,039.80

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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.