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Finding the Fourth Proportional to 66,163,592.80, 92,724,689.30 and 66,163,592.80

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Solution

The fourth proportional to 66,163,592.80, 92,724,689.30 and 66,163,592.80 is: 92,724,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,163,592.80 : 92,724,689.30 = 66,163,592.80 : x
  2. Step 2: Convert to fraction form
    66,163,592.80/92,724,689.30 = 66,163,592.80/x
  3. Step 3: Cross multiply
    66,163,592.80x = 92,724,689.30 × 66,163,592.80
  4. Step 4: Simplify right side
    66,163,592.80x = 6,134,998,585,351,717
  5. Step 5: Solve for x
    x = 6,134,998,585,351,717/66,163,592.80
  6. Step 6: Final answer
    x = 92,724,689.30

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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.