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Finding the Fourth Proportional to 222,514.53, 333,771.75 and 147,780.63

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Solution

The fourth proportional to 222,514.53, 333,771.75 and 147,780.63 is: 221,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,514.53 : 333,771.75 = 147,780.63 : x
  2. Step 2: Convert to fraction form
    222,514.53/333,771.75 = 147,780.63/x
  3. Step 3: Cross multiply
    222,514.53x = 333,771.75 × 147,780.63
  4. Step 4: Simplify right side
    222,514.53x = 49,324,999,491.20
  5. Step 5: Solve for x
    x = 49,324,999,491.20/222,514.53
  6. Step 6: Final answer
    x = 221,670.92

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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.