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Finding the Fourth Proportional to 185,413.92, 277,955.87 and 67,058.97

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Solution

The fourth proportional to 185,413.92, 277,955.87 and 67,058.97 is: 100,528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,413.92 : 277,955.87 = 67,058.97 : x
  2. Step 2: Convert to fraction form
    185,413.92/277,955.87 = 67,058.97/x
  3. Step 3: Cross multiply
    185,413.92x = 277,955.87 × 67,058.97
  4. Step 4: Simplify right side
    185,413.92x = 18,639,434,012.36
  5. Step 5: Solve for x
    x = 18,639,434,012.36/185,413.92
  6. Step 6: Final answer
    x = 100,528.77

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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.