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Finding the Fourth Proportional to 209,846.60, 314,677.31 and 60,052.79

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Solution

The fourth proportional to 209,846.60, 314,677.31 and 60,052.79 is: 90,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,846.60 : 314,677.31 = 60,052.79 : x
  2. Step 2: Convert to fraction form
    209,846.60/314,677.31 = 60,052.79/x
  3. Step 3: Cross multiply
    209,846.60x = 314,677.31 × 60,052.79
  4. Step 4: Simplify right side
    209,846.60x = 18,897,250,901.62
  5. Step 5: Solve for x
    x = 18,897,250,901.62/209,846.60
  6. Step 6: Final answer
    x = 90,052.69

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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.