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Finding the Fourth Proportional to 127,098,635.40, 190,647,953.10 and 127,098,635.40

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Solution

The fourth proportional to 127,098,635.40, 190,647,953.10 and 127,098,635.40 is: 190,647,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,098,635.40 : 190,647,953.10 = 127,098,635.40 : x
  2. Step 2: Convert to fraction form
    127,098,635.40/190,647,953.10 = 127,098,635.40/x
  3. Step 3: Cross multiply
    127,098,635.40x = 190,647,953.10 × 127,098,635.40
  4. Step 4: Simplify right side
    127,098,635.40x = 24,231,094,680,813,200
  5. Step 5: Solve for x
    x = 24,231,094,680,813,200/127,098,635.40
  6. Step 6: Final answer
    x = 190,647,953.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.