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Finding the Fourth Proportional to 209,863.86, 314,750.91 and 60,063.93

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Solution

The fourth proportional to 209,863.86, 314,750.91 and 60,063.93 is: 90,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,863.86 : 314,750.91 = 60,063.93 : x
  2. Step 2: Convert to fraction form
    209,863.86/314,750.91 = 60,063.93/x
  3. Step 3: Cross multiply
    209,863.86x = 314,750.91 × 60,063.93
  4. Step 4: Simplify right side
    209,863.86x = 18,905,176,850.92
  5. Step 5: Solve for x
    x = 18,905,176,850.92/209,863.86
  6. Step 6: Final answer
    x = 90,083.05

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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.