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Finding the Fourth Proportional to 36,871,277.20, 51,524,128.70 and 36,871,277.20

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Solution

The fourth proportional to 36,871,277.20, 51,524,128.70 and 36,871,277.20 is: 51,524,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,871,277.20 : 51,524,128.70 = 36,871,277.20 : x
  2. Step 2: Convert to fraction form
    36,871,277.20/51,524,128.70 = 36,871,277.20/x
  3. Step 3: Cross multiply
    36,871,277.20x = 51,524,128.70 × 36,871,277.20
  4. Step 4: Simplify right side
    36,871,277.20x = 1,899,760,431,786,176
  5. Step 5: Solve for x
    x = 1,899,760,431,786,176/36,871,277.20
  6. Step 6: Final answer
    x = 51,524,128.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.