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Finding the Fourth Proportional to 234,790.32, 351,873.94 and 127,900.06

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Solution

The fourth proportional to 234,790.32, 351,873.94 and 127,900.06 is: 191,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,790.32 : 351,873.94 = 127,900.06 : x
  2. Step 2: Convert to fraction form
    234,790.32/351,873.94 = 127,900.06/x
  3. Step 3: Cross multiply
    234,790.32x = 351,873.94 × 127,900.06
  4. Step 4: Simplify right side
    234,790.32x = 45,004,698,038.44
  5. Step 5: Solve for x
    x = 45,004,698,038.44/234,790.32
  6. Step 6: Final answer
    x = 191,680.38

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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.