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Finding the Fourth Proportional to 273,888.90, 410,570.90 and 115,900.02

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Solution

The fourth proportional to 273,888.90, 410,570.90 and 115,900.02 is: 173,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,888.90 : 410,570.90 = 115,900.02 : x
  2. Step 2: Convert to fraction form
    273,888.90/410,570.90 = 115,900.02/x
  3. Step 3: Cross multiply
    273,888.90x = 410,570.90 × 115,900.02
  4. Step 4: Simplify right side
    273,888.90x = 47,585,175,521.42
  5. Step 5: Solve for x
    x = 47,585,175,521.42/273,888.90
  6. Step 6: Final answer
    x = 173,738.97

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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.