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Finding the Fourth Proportional to 276,645.06, 414,302.32 and 157,956.66

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Solution

The fourth proportional to 276,645.06, 414,302.32 and 157,956.66 is: 236,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,645.06 : 414,302.32 = 157,956.66 : x
  2. Step 2: Convert to fraction form
    276,645.06/414,302.32 = 157,956.66/x
  3. Step 3: Cross multiply
    276,645.06x = 414,302.32 × 157,956.66
  4. Step 4: Simplify right side
    276,645.06x = 65,441,810,697.45
  5. Step 5: Solve for x
    x = 65,441,810,697.45/276,645.06
  6. Step 6: Final answer
    x = 236,555.14

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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.