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Finding the Fourth Proportional to 281,340.68, 422,011.02 and 94,351.64

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Solution

The fourth proportional to 281,340.68, 422,011.02 and 94,351.64 is: 141,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,340.68 : 422,011.02 = 94,351.64 : x
  2. Step 2: Convert to fraction form
    281,340.68/422,011.02 = 94,351.64/x
  3. Step 3: Cross multiply
    281,340.68x = 422,011.02 × 94,351.64
  4. Step 4: Simplify right side
    281,340.68x = 39,817,431,835.07
  5. Step 5: Solve for x
    x = 39,817,431,835.07/281,340.68
  6. Step 6: Final answer
    x = 141,527.46

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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.