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Finding the Fourth Proportional to 194,600.40, 291,900.60 and 124,616.40

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Solution

The fourth proportional to 194,600.40, 291,900.60 and 124,616.40 is: 186,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,600.40 : 291,900.60 = 124,616.40 : x
  2. Step 2: Convert to fraction form
    194,600.40/291,900.60 = 124,616.40/x
  3. Step 3: Cross multiply
    194,600.40x = 291,900.60 × 124,616.40
  4. Step 4: Simplify right side
    194,600.40x = 36,375,601,929.84
  5. Step 5: Solve for x
    x = 36,375,601,929.84/194,600.40
  6. Step 6: Final answer
    x = 186,924.60

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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.