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Finding the Fourth Proportional to 70,440,170.30, 98,414,684.50 and 70,440,170.30

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Solution

The fourth proportional to 70,440,170.30, 98,414,684.50 and 70,440,170.30 is: 98,414,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,440,170.30 : 98,414,684.50 = 70,440,170.30 : x
  2. Step 2: Convert to fraction form
    70,440,170.30/98,414,684.50 = 70,440,170.30/x
  3. Step 3: Cross multiply
    70,440,170.30x = 98,414,684.50 × 70,440,170.30
  4. Step 4: Simplify right side
    70,440,170.30x = 6,932,347,136,200,770
  5. Step 5: Solve for x
    x = 6,932,347,136,200,770/70,440,170.30
  6. Step 6: Final answer
    x = 98,414,684.50

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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.