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Finding the Fourth Proportional to 189,061, 260,909.67 and 104,183.53

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Solution

The fourth proportional to 189,061, 260,909.67 and 104,183.53 is: 143,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,061 : 260,909.67 = 104,183.53 : x
  2. Step 2: Convert to fraction form
    189,061/260,909.67 = 104,183.53/x
  3. Step 3: Cross multiply
    189,061x = 260,909.67 × 104,183.53
  4. Step 4: Simplify right side
    189,061x = 27,182,490,431.74
  5. Step 5: Solve for x
    x = 27,182,490,431.74/189,061
  6. Step 6: Final answer
    x = 143,776.30

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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.