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Finding the Fourth Proportional to 144,576.88, 216,830.39 and 55,773.74

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Solution

The fourth proportional to 144,576.88, 216,830.39 and 55,773.74 is: 83,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,576.88 : 216,830.39 = 55,773.74 : x
  2. Step 2: Convert to fraction form
    144,576.88/216,830.39 = 55,773.74/x
  3. Step 3: Cross multiply
    144,576.88x = 216,830.39 × 55,773.74
  4. Step 4: Simplify right side
    144,576.88x = 12,093,442,059.17
  5. Step 5: Solve for x
    x = 12,093,442,059.17/144,576.88
  6. Step 6: Final answer
    x = 83,647.14

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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.