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Finding the Fourth Proportional to 208,609.47, 312,645.96 and 94,674.06

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Solution

The fourth proportional to 208,609.47, 312,645.96 and 94,674.06 is: 141,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,609.47 : 312,645.96 = 94,674.06 : x
  2. Step 2: Convert to fraction form
    208,609.47/312,645.96 = 94,674.06/x
  3. Step 3: Cross multiply
    208,609.47x = 312,645.96 × 94,674.06
  4. Step 4: Simplify right side
    208,609.47x = 29,599,462,375.80
  5. Step 5: Solve for x
    x = 29,599,462,375.80/208,609.47
  6. Step 6: Final answer
    x = 141,889.35

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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.