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Finding the Fourth Proportional to 66,163,601.80, 92,724,701.90 and 66,163,601.80

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Solution

The fourth proportional to 66,163,601.80, 92,724,701.90 and 66,163,601.80 is: 92,724,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,163,601.80 : 92,724,701.90 = 66,163,601.80 : x
  2. Step 2: Convert to fraction form
    66,163,601.80/92,724,701.90 = 66,163,601.80/x
  3. Step 3: Cross multiply
    66,163,601.80x = 92,724,701.90 × 66,163,601.80
  4. Step 4: Simplify right side
    66,163,601.80x = 6,135,000,253,535,304
  5. Step 5: Solve for x
    x = 6,135,000,253,535,304/66,163,601.80
  6. Step 6: Final answer
    x = 92,724,701.90

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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.