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Finding the Fourth Proportional to 276,215.22, 381,206.28 and 168,848.10

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Solution

The fourth proportional to 276,215.22, 381,206.28 and 168,848.10 is: 233,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,215.22 : 381,206.28 = 168,848.10 : x
  2. Step 2: Convert to fraction form
    276,215.22/381,206.28 = 168,848.10/x
  3. Step 3: Cross multiply
    276,215.22x = 381,206.28 × 168,848.10
  4. Step 4: Simplify right side
    276,215.22x = 64,365,956,086.07
  5. Step 5: Solve for x
    x = 64,365,956,086.07/276,215.22
  6. Step 6: Final answer
    x = 233,028.27

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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.