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Finding the Fourth Proportional to 203,065.57, 304,598.96 and 69,944.10

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Solution

The fourth proportional to 203,065.57, 304,598.96 and 69,944.10 is: 104,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,065.57 : 304,598.96 = 69,944.10 : x
  2. Step 2: Convert to fraction form
    203,065.57/304,598.96 = 69,944.10/x
  3. Step 3: Cross multiply
    203,065.57x = 304,598.96 × 69,944.10
  4. Step 4: Simplify right side
    203,065.57x = 21,304,900,118.14
  5. Step 5: Solve for x
    x = 21,304,900,118.14/203,065.57
  6. Step 6: Final answer
    x = 104,916.36

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1.5x scale

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.