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Finding the Fourth Proportional to 77,947,524.80, 116,871,520.80 and 32,527,390.40

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Solution

The fourth proportional to 77,947,524.80, 116,871,520.80 and 32,527,390.40 is: 48,770,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,947,524.80 : 116,871,520.80 = 32,527,390.40 : x
  2. Step 2: Convert to fraction form
    77,947,524.80/116,871,520.80 = 32,527,390.40/x
  3. Step 3: Cross multiply
    77,947,524.80x = 116,871,520.80 × 32,527,390.40
  4. Step 4: Simplify right side
    77,947,524.80x = 3,801,525,583,703,320
  5. Step 5: Solve for x
    x = 3,801,525,583,703,320/77,947,524.80
  6. Step 6: Final answer
    x = 48,770,318.15

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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.