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Finding the Fourth Proportional to 51,914,334.90, 77,871,502.35 and 51,914,334.90

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Solution

The fourth proportional to 51,914,334.90, 77,871,502.35 and 51,914,334.90 is: 77,871,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,914,334.90 : 77,871,502.35 = 51,914,334.90 : x
  2. Step 2: Convert to fraction form
    51,914,334.90/77,871,502.35 = 51,914,334.90/x
  3. Step 3: Cross multiply
    51,914,334.90x = 77,871,502.35 × 51,914,334.90
  4. Step 4: Simplify right side
    51,914,334.90x = 4,042,647,252,164,036.50
  5. Step 5: Solve for x
    x = 4,042,647,252,164,036.50/51,914,334.90
  6. Step 6: Final answer
    x = 77,871,502.35

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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.