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Finding the Fourth Proportional to 186,844.20, 280,266.30 and 134,356.20

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Solution

The fourth proportional to 186,844.20, 280,266.30 and 134,356.20 is: 201,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,844.20 : 280,266.30 = 134,356.20 : x
  2. Step 2: Convert to fraction form
    186,844.20/280,266.30 = 134,356.20/x
  3. Step 3: Cross multiply
    186,844.20x = 280,266.30 × 134,356.20
  4. Step 4: Simplify right side
    186,844.20x = 37,655,515,056.06
  5. Step 5: Solve for x
    x = 37,655,515,056.06/186,844.20
  6. Step 6: Final answer
    x = 201,534.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.