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Finding the Fourth Proportional to 222,059.88, 306,356.58 and 141,472.98

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Solution

The fourth proportional to 222,059.88, 306,356.58 and 141,472.98 is: 195,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,059.88 : 306,356.58 = 141,472.98 : x
  2. Step 2: Convert to fraction form
    222,059.88/306,356.58 = 141,472.98/x
  3. Step 3: Cross multiply
    222,059.88x = 306,356.58 × 141,472.98
  4. Step 4: Simplify right side
    222,059.88x = 43,341,178,315.21
  5. Step 5: Solve for x
    x = 43,341,178,315.21/222,059.88
  6. Step 6: Final answer
    x = 195,177.89

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1.5x scale

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.