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Finding the Fourth Proportional to 68,485,753.01, 102,763,948.22 and 32,097,840.11

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Solution

The fourth proportional to 68,485,753.01, 102,763,948.22 and 32,097,840.11 is: 48,163,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,485,753.01 : 102,763,948.22 = 32,097,840.11 : x
  2. Step 2: Convert to fraction form
    68,485,753.01/102,763,948.22 = 32,097,840.11/x
  3. Step 3: Cross multiply
    68,485,753.01x = 102,763,948.22 × 32,097,840.11
  4. Step 4: Simplify right side
    68,485,753.01x = 3,298,500,779,134,300
  5. Step 5: Solve for x
    x = 3,298,500,779,134,300/68,485,753.01
  6. Step 6: Final answer
    x = 48,163,313.31

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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.