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Finding the Fourth Proportional to 201,245.12, 277,752.48 and 116,413.76

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Solution

The fourth proportional to 201,245.12, 277,752.48 and 116,413.76 is: 160,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,245.12 : 277,752.48 = 116,413.76 : x
  2. Step 2: Convert to fraction form
    201,245.12/277,752.48 = 116,413.76/x
  3. Step 3: Cross multiply
    201,245.12x = 277,752.48 × 116,413.76
  4. Step 4: Simplify right side
    201,245.12x = 32,334,210,546.12
  5. Step 5: Solve for x
    x = 32,334,210,546.12/201,245.12
  6. Step 6: Final answer
    x = 160,670.78

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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.