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Finding the Fourth Proportional to 273,889.90, 410,572.40 and 115,901.02

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Solution

The fourth proportional to 273,889.90, 410,572.40 and 115,901.02 is: 173,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,889.90 : 410,572.40 = 115,901.02 : x
  2. Step 2: Convert to fraction form
    273,889.90/410,572.40 = 115,901.02/x
  3. Step 3: Cross multiply
    273,889.90x = 410,572.40 × 115,901.02
  4. Step 4: Simplify right side
    273,889.90x = 47,585,759,943.85
  5. Step 5: Solve for x
    x = 47,585,759,943.85/273,889.90
  6. Step 6: Final answer
    x = 173,740.47

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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.