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Finding the Fourth Proportional to 47,372,685.30, 71,059,027.95 and 47,372,685.30

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Solution

The fourth proportional to 47,372,685.30, 71,059,027.95 and 47,372,685.30 is: 71,059,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,372,685.30 : 71,059,027.95 = 47,372,685.30 : x
  2. Step 2: Convert to fraction form
    47,372,685.30/71,059,027.95 = 47,372,685.30/x
  3. Step 3: Cross multiply
    47,372,685.30x = 71,059,027.95 × 47,372,685.30
  4. Step 4: Simplify right side
    47,372,685.30x = 3,366,256,968,799,254
  5. Step 5: Solve for x
    x = 3,366,256,968,799,254/47,372,685.30
  6. Step 6: Final answer
    x = 71,059,027.95

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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.