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Finding the Fourth Proportional to 65,766,645.90, 92,224,469.70 and 65,766,645.90

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Solution

The fourth proportional to 65,766,645.90, 92,224,469.70 and 65,766,645.90 is: 92,224,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,766,645.90 : 92,224,469.70 = 65,766,645.90 : x
  2. Step 2: Convert to fraction form
    65,766,645.90/92,224,469.70 = 65,766,645.90/x
  3. Step 3: Cross multiply
    65,766,645.90x = 92,224,469.70 × 65,766,645.90
  4. Step 4: Simplify right side
    65,766,645.90x = 6,065,294,042,075,179
  5. Step 5: Solve for x
    x = 6,065,294,042,075,179/65,766,645.90
  6. Step 6: Final answer
    x = 92,224,469.70

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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.