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Finding the Fourth Proportional to 66,807,440.80, 93,328,863.20 and 66,807,440.80

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Solution

The fourth proportional to 66,807,440.80, 93,328,863.20 and 66,807,440.80 is: 93,328,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,807,440.80 : 93,328,863.20 = 66,807,440.80 : x
  2. Step 2: Convert to fraction form
    66,807,440.80/93,328,863.20 = 66,807,440.80/x
  3. Step 3: Cross multiply
    66,807,440.80x = 93,328,863.20 × 66,807,440.80
  4. Step 4: Simplify right side
    66,807,440.80x = 6,235,062,503,165,298
  5. Step 5: Solve for x
    x = 6,235,062,503,165,298/66,807,440.80
  6. Step 6: Final answer
    x = 93,328,863.20

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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.