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Finding the Fourth Proportional to 189,062, 260,911.05 and 104,184.53

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Solution

The fourth proportional to 189,062, 260,911.05 and 104,184.53 is: 143,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,062 : 260,911.05 = 104,184.53 : x
  2. Step 2: Convert to fraction form
    189,062/260,911.05 = 104,184.53/x
  3. Step 3: Cross multiply
    189,062x = 260,911.05 × 104,184.53
  4. Step 4: Simplify right side
    189,062x = 27,182,895,116.06
  5. Step 5: Solve for x
    x = 27,182,895,116.06/189,062
  6. Step 6: Final answer
    x = 143,777.68

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Why These Related Problems?

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