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Finding the Fourth Proportional to 188,753.37, 260,485.76 and 108,196.13

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Solution

The fourth proportional to 188,753.37, 260,485.76 and 108,196.13 is: 149,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,753.37 : 260,485.76 = 108,196.13 : x
  2. Step 2: Convert to fraction form
    188,753.37/260,485.76 = 108,196.13/x
  3. Step 3: Cross multiply
    188,753.37x = 260,485.76 × 108,196.13
  4. Step 4: Simplify right side
    188,753.37x = 28,183,552,073.81
  5. Step 5: Solve for x
    x = 28,183,552,073.81/188,753.37
  6. Step 6: Final answer
    x = 149,314.17

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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.