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Finding the Fourth Proportional to 276,967.69, 382,119.96 and 168,106.32

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Solution

The fourth proportional to 276,967.69, 382,119.96 and 168,106.32 is: 231,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,967.69 : 382,119.96 = 168,106.32 : x
  2. Step 2: Convert to fraction form
    276,967.69/382,119.96 = 168,106.32/x
  3. Step 3: Cross multiply
    276,967.69x = 382,119.96 × 168,106.32
  4. Step 4: Simplify right side
    276,967.69x = 64,236,780,904.55
  5. Step 5: Solve for x
    x = 64,236,780,904.55/276,967.69
  6. Step 6: Final answer
    x = 231,928.79

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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.