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Finding the Fourth Proportional to 189,033.82, 260,866.68 and 104,150.14

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Solution

The fourth proportional to 189,033.82, 260,866.68 and 104,150.14 is: 143,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,033.82 : 260,866.68 = 104,150.14 : x
  2. Step 2: Convert to fraction form
    189,033.82/260,866.68 = 104,150.14/x
  3. Step 3: Cross multiply
    189,033.82x = 260,866.68 × 104,150.14
  4. Step 4: Simplify right side
    189,033.82x = 27,169,301,243.34
  5. Step 5: Solve for x
    x = 27,169,301,243.34/189,033.82
  6. Step 6: Final answer
    x = 143,727.20

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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.