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Finding the Fourth Proportional to 188,368.14, 259,947.27 and 102,326.70

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Solution

The fourth proportional to 188,368.14, 259,947.27 and 102,326.70 is: 141,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,368.14 : 259,947.27 = 102,326.70 : x
  2. Step 2: Convert to fraction form
    188,368.14/259,947.27 = 102,326.70/x
  3. Step 3: Cross multiply
    188,368.14x = 259,947.27 × 102,326.70
  4. Step 4: Simplify right side
    188,368.14x = 26,599,546,313.11
  5. Step 5: Solve for x
    x = 26,599,546,313.11/188,368.14
  6. Step 6: Final answer
    x = 141,210.43

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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.