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Finding the Fourth Proportional to 366,039.55, 548,895.30 and 141,325.30

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Solution

The fourth proportional to 366,039.55, 548,895.30 and 141,325.30 is: 211,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,039.55 : 548,895.30 = 141,325.30 : x
  2. Step 2: Convert to fraction form
    366,039.55/548,895.30 = 141,325.30/x
  3. Step 3: Cross multiply
    366,039.55x = 548,895.30 × 141,325.30
  4. Step 4: Simplify right side
    366,039.55x = 77,572,792,941.09
  5. Step 5: Solve for x
    x = 77,572,792,941.09/366,039.55
  6. Step 6: Final answer
    x = 211,924.62

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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.