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Finding the Fourth Proportional to 203,068.08, 304,670.16 and 70,040.16

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Solution

The fourth proportional to 203,068.08, 304,670.16 and 70,040.16 is: 105,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,068.08 : 304,670.16 = 70,040.16 : x
  2. Step 2: Convert to fraction form
    203,068.08/304,670.16 = 70,040.16/x
  3. Step 3: Cross multiply
    203,068.08x = 304,670.16 × 70,040.16
  4. Step 4: Simplify right side
    203,068.08x = 21,339,146,753.63
  5. Step 5: Solve for x
    x = 21,339,146,753.63/203,068.08
  6. Step 6: Final answer
    x = 105,083.71

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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.