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Finding the Fourth Proportional to 163,347.95, 225,413.20 and 95,368.70

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Solution

The fourth proportional to 163,347.95, 225,413.20 and 95,368.70 is: 131,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,347.95 : 225,413.20 = 95,368.70 : x
  2. Step 2: Convert to fraction form
    163,347.95/225,413.20 = 95,368.70/x
  3. Step 3: Cross multiply
    163,347.95x = 225,413.20 × 95,368.70
  4. Step 4: Simplify right side
    163,347.95x = 21,497,363,846.84
  5. Step 5: Solve for x
    x = 21,497,363,846.84/163,347.95
  6. Step 6: Final answer
    x = 131,604.74

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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.