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Finding the Fourth Proportional to 92,413.14, 127,530.03 and 49,971.57

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Solution

The fourth proportional to 92,413.14, 127,530.03 and 49,971.57 is: 68,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,413.14 : 127,530.03 = 49,971.57 : x
  2. Step 2: Convert to fraction form
    92,413.14/127,530.03 = 49,971.57/x
  3. Step 3: Cross multiply
    92,413.14x = 127,530.03 × 49,971.57
  4. Step 4: Simplify right side
    92,413.14x = 6,372,875,821.25
  5. Step 5: Solve for x
    x = 6,372,875,821.25/92,413.14
  6. Step 6: Final answer
    x = 68,960.71

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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.