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Finding the Fourth Proportional to 144,376.98, 216,420.02 and 60,183.72

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Solution

The fourth proportional to 144,376.98, 216,420.02 and 60,183.72 is: 90,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,376.98 : 216,420.02 = 60,183.72 : x
  2. Step 2: Convert to fraction form
    144,376.98/216,420.02 = 60,183.72/x
  3. Step 3: Cross multiply
    144,376.98x = 216,420.02 × 60,183.72
  4. Step 4: Simplify right side
    144,376.98x = 13,024,961,886.07
  5. Step 5: Solve for x
    x = 13,024,961,886.07/144,376.98
  6. Step 6: Final answer
    x = 90,214.95

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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.