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Finding the Fourth Proportional to 200,588.08, 276,809.08 and 108,705.39

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Solution

The fourth proportional to 200,588.08, 276,809.08 and 108,705.39 is: 150,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,588.08 : 276,809.08 = 108,705.39 : x
  2. Step 2: Convert to fraction form
    200,588.08/276,809.08 = 108,705.39/x
  3. Step 3: Cross multiply
    200,588.08x = 276,809.08 × 108,705.39
  4. Step 4: Simplify right side
    200,588.08x = 30,090,638,453.41
  5. Step 5: Solve for x
    x = 30,090,638,453.41/200,588.08
  6. Step 6: Final answer
    x = 150,012.10

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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.