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Finding the Fourth Proportional to 76,268.70, 114,413.85 and 23,672.70

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Solution

The fourth proportional to 76,268.70, 114,413.85 and 23,672.70 is: 35,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268.70 : 114,413.85 = 23,672.70 : x
  2. Step 2: Convert to fraction form
    76,268.70/114,413.85 = 23,672.70/x
  3. Step 3: Cross multiply
    76,268.70x = 114,413.85 × 23,672.70
  4. Step 4: Simplify right side
    76,268.70x = 2,708,484,746.90
  5. Step 5: Solve for x
    x = 2,708,484,746.90/76,268.70
  6. Step 6: Final answer
    x = 35,512.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.