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Finding the Fourth Proportional to 188,348.94, 259,970.85 and 116,688.24

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Solution

The fourth proportional to 188,348.94, 259,970.85 and 116,688.24 is: 161,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,348.94 : 259,970.85 = 116,688.24 : x
  2. Step 2: Convert to fraction form
    188,348.94/259,970.85 = 116,688.24/x
  3. Step 3: Cross multiply
    188,348.94x = 259,970.85 × 116,688.24
  4. Step 4: Simplify right side
    188,348.94x = 30,335,540,937.80
  5. Step 5: Solve for x
    x = 30,335,540,937.80/188,348.94
  6. Step 6: Final answer
    x = 161,060.32

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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.