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Finding the Fourth Proportional to 172,757.49, 238,413.45 and 101,160.57

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Solution

The fourth proportional to 172,757.49, 238,413.45 and 101,160.57 is: 139,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,757.49 : 238,413.45 = 101,160.57 : x
  2. Step 2: Convert to fraction form
    172,757.49/238,413.45 = 101,160.57/x
  3. Step 3: Cross multiply
    172,757.49x = 238,413.45 × 101,160.57
  4. Step 4: Simplify right side
    172,757.49x = 24,118,040,497.67
  5. Step 5: Solve for x
    x = 24,118,040,497.67/172,757.49
  6. Step 6: Final answer
    x = 139,606.34

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1.5x scale

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.