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Finding the Fourth Proportional to 49,185,999.90, 73,646,289.45 and 49,185,999.90

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Solution

The fourth proportional to 49,185,999.90, 73,646,289.45 and 49,185,999.90 is: 73,646,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,185,999.90 : 73,646,289.45 = 49,185,999.90 : x
  2. Step 2: Convert to fraction form
    49,185,999.90/73,646,289.45 = 49,185,999.90/x
  3. Step 3: Cross multiply
    49,185,999.90x = 73,646,289.45 × 49,185,999.90
  4. Step 4: Simplify right side
    49,185,999.90x = 3,622,366,385,523,071
  5. Step 5: Solve for x
    x = 3,622,366,385,523,071/49,185,999.90
  6. Step 6: Final answer
    x = 73,646,289.45

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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.