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Finding the Fourth Proportional to 101,362.01, 139,879.23 and 56,650.01

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Solution

The fourth proportional to 101,362.01, 139,879.23 and 56,650.01 is: 78,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,362.01 : 139,879.23 = 56,650.01 : x
  2. Step 2: Convert to fraction form
    101,362.01/139,879.23 = 56,650.01/x
  3. Step 3: Cross multiply
    101,362.01x = 139,879.23 × 56,650.01
  4. Step 4: Simplify right side
    101,362.01x = 7,924,159,495.04
  5. Step 5: Solve for x
    x = 7,924,159,495.04/101,362.01
  6. Step 6: Final answer
    x = 78,176.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.