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Finding the Fourth Proportional to 66,809,820.65, 93,661,294.75 and 66,809,820.65

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Solution

The fourth proportional to 66,809,820.65, 93,661,294.75 and 66,809,820.65 is: 93,661,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,809,820.65 : 93,661,294.75 = 66,809,820.65 : x
  2. Step 2: Convert to fraction form
    66,809,820.65/93,661,294.75 = 66,809,820.65/x
  3. Step 3: Cross multiply
    66,809,820.65x = 93,661,294.75 × 66,809,820.65
  4. Step 4: Simplify right side
    66,809,820.65x = 6,257,494,304,094,286
  5. Step 5: Solve for x
    x = 6,257,494,304,094,286/66,809,820.65
  6. Step 6: Final answer
    x = 93,661,294.75

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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.