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Finding the Fourth Proportional to 202,413.74, 279,437.72 and 130,834.44

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Solution

The fourth proportional to 202,413.74, 279,437.72 and 130,834.44 is: 180,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,413.74 : 279,437.72 = 130,834.44 : x
  2. Step 2: Convert to fraction form
    202,413.74/279,437.72 = 130,834.44/x
  3. Step 3: Cross multiply
    202,413.74x = 279,437.72 × 130,834.44
  4. Step 4: Simplify right side
    202,413.74x = 36,560,076,956.90
  5. Step 5: Solve for x
    x = 36,560,076,956.90/202,413.74
  6. Step 6: Final answer
    x = 180,620.53

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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.