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Finding the Fourth Proportional to 99,832.01, 137,767.11 and 54,509.85

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Solution

The fourth proportional to 99,832.01, 137,767.11 and 54,509.85 is: 75,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,832.01 : 137,767.11 = 54,509.85 : x
  2. Step 2: Convert to fraction form
    99,832.01/137,767.11 = 54,509.85/x
  3. Step 3: Cross multiply
    99,832.01x = 137,767.11 × 54,509.85
  4. Step 4: Simplify right side
    99,832.01x = 7,509,664,501.03
  5. Step 5: Solve for x
    x = 7,509,664,501.03/99,832.01
  6. Step 6: Final answer
    x = 75,223.01

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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.