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Finding the Fourth Proportional to 203,010.74, 304,514.74 and 158,674.78

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Solution

The fourth proportional to 203,010.74, 304,514.74 and 158,674.78 is: 238,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,010.74 : 304,514.74 = 158,674.78 : x
  2. Step 2: Convert to fraction form
    203,010.74/304,514.74 = 158,674.78/x
  3. Step 3: Cross multiply
    203,010.74x = 304,514.74 × 158,674.78
  4. Step 4: Simplify right side
    203,010.74x = 48,318,809,955.24
  5. Step 5: Solve for x
    x = 48,318,809,955.24/203,010.74
  6. Step 6: Final answer
    x = 238,011.10

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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.