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Finding the Fourth Proportional to 276,275.90, 414,413.95 and 124,295.49

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Solution

The fourth proportional to 276,275.90, 414,413.95 and 124,295.49 is: 186,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,275.90 : 414,413.95 = 124,295.49 : x
  2. Step 2: Convert to fraction form
    276,275.90/414,413.95 = 124,295.49/x
  3. Step 3: Cross multiply
    276,275.90x = 414,413.95 × 124,295.49
  4. Step 4: Simplify right side
    276,275.90x = 51,509,785,253.58
  5. Step 5: Solve for x
    x = 51,509,785,253.58/276,275.90
  6. Step 6: Final answer
    x = 186,443.28

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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.