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Finding the Fourth Proportional to 163,348.62, 225,413.63 and 90,756.63

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Solution

The fourth proportional to 163,348.62, 225,413.63 and 90,756.63 is: 125,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,348.62 : 225,413.63 = 90,756.63 : x
  2. Step 2: Convert to fraction form
    163,348.62/225,413.63 = 90,756.63/x
  3. Step 3: Cross multiply
    163,348.62x = 225,413.63 × 90,756.63
  4. Step 4: Simplify right side
    163,348.62x = 20,457,781,177.95
  5. Step 5: Solve for x
    x = 20,457,781,177.95/163,348.62
  6. Step 6: Final answer
    x = 125,240.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.