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Finding the Fourth Proportional to 147,516, 221,274.81 and 36,708

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Solution

The fourth proportional to 147,516, 221,274.81 and 36,708 is: 55,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,516 : 221,274.81 = 36,708 : x
  2. Step 2: Convert to fraction form
    147,516/221,274.81 = 36,708/x
  3. Step 3: Cross multiply
    147,516x = 221,274.81 × 36,708
  4. Step 4: Simplify right side
    147,516x = 8,122,555,725.48
  5. Step 5: Solve for x
    x = 8,122,555,725.48/147,516
  6. Step 6: Final answer
    x = 55,062.20

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