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Finding the Fourth Proportional to 207,806.04, 311,718.32 and 63,701.24

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Solution

The fourth proportional to 207,806.04, 311,718.32 and 63,701.24 is: 95,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,806.04 : 311,718.32 = 63,701.24 : x
  2. Step 2: Convert to fraction form
    207,806.04/311,718.32 = 63,701.24/x
  3. Step 3: Cross multiply
    207,806.04x = 311,718.32 × 63,701.24
  4. Step 4: Simplify right side
    207,806.04x = 19,856,843,514.72
  5. Step 5: Solve for x
    x = 19,856,843,514.72/207,806.04
  6. Step 6: Final answer
    x = 95,554.70

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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.