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Finding the Fourth Proportional to 188,551.66, 260,195.81 and 106,887.48

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Solution

The fourth proportional to 188,551.66, 260,195.81 and 106,887.48 is: 147,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,551.66 : 260,195.81 = 106,887.48 : x
  2. Step 2: Convert to fraction form
    188,551.66/260,195.81 = 106,887.48/x
  3. Step 3: Cross multiply
    188,551.66x = 260,195.81 × 106,887.48
  4. Step 4: Simplify right side
    188,551.66x = 27,811,673,903.02
  5. Step 5: Solve for x
    x = 27,811,673,903.02/188,551.66
  6. Step 6: Final answer
    x = 147,501.62

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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.