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Finding the Fourth Proportional to 209,605.28, 314,456.72 and 59,847.62

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Solution

The fourth proportional to 209,605.28, 314,456.72 and 59,847.62 is: 89,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,605.28 : 314,456.72 = 59,847.62 : x
  2. Step 2: Convert to fraction form
    209,605.28/314,456.72 = 59,847.62/x
  3. Step 3: Cross multiply
    209,605.28x = 314,456.72 × 59,847.62
  4. Step 4: Simplify right side
    209,605.28x = 18,819,484,413.48
  5. Step 5: Solve for x
    x = 18,819,484,413.48/209,605.28
  6. Step 6: Final answer
    x = 89,785.36

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1.5x scale

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.