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Finding the Fourth Proportional to 273,929.00, 378,014.98 and 153,071.28

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Solution

The fourth proportional to 273,929.00, 378,014.98 and 153,071.28 is: 211,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,929.00 : 378,014.98 = 153,071.28 : x
  2. Step 2: Convert to fraction form
    273,929.00/378,014.98 = 153,071.28/x
  3. Step 3: Cross multiply
    273,929.00x = 378,014.98 × 153,071.28
  4. Step 4: Simplify right side
    273,929.00x = 57,863,235,258.42
  5. Step 5: Solve for x
    x = 57,863,235,258.42/273,929.00
  6. Step 6: Final answer
    x = 211,234.43

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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.