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Finding the Fourth Proportional to 189,033.25, 260,867.10 and 104,150.92

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Solution

The fourth proportional to 189,033.25, 260,867.10 and 104,150.92 is: 143,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,033.25 : 260,867.10 = 104,150.92 : x
  2. Step 2: Convert to fraction form
    189,033.25/260,867.10 = 104,150.92/x
  3. Step 3: Cross multiply
    189,033.25x = 260,867.10 × 104,150.92
  4. Step 4: Simplify right side
    189,033.25x = 27,169,548,462.73
  5. Step 5: Solve for x
    x = 27,169,548,462.73/189,033.25
  6. Step 6: Final answer
    x = 143,728.94

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1.5x scale

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.