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Finding the Fourth Proportional to 194,268.84, 268,130.88 and 122,600.76

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Solution

The fourth proportional to 194,268.84, 268,130.88 and 122,600.76 is: 169,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,268.84 : 268,130.88 = 122,600.76 : x
  2. Step 2: Convert to fraction form
    194,268.84/268,130.88 = 122,600.76/x
  3. Step 3: Cross multiply
    194,268.84x = 268,130.88 × 122,600.76
  4. Step 4: Simplify right side
    194,268.84x = 32,873,049,667.47
  5. Step 5: Solve for x
    x = 32,873,049,667.47/194,268.84
  6. Step 6: Final answer
    x = 169,214.22

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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.