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Finding the Fourth Proportional to 213,447.96, 294,561.90 and 117,955.44

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Solution

The fourth proportional to 213,447.96, 294,561.90 and 117,955.44 is: 162,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,447.96 : 294,561.90 = 117,955.44 : x
  2. Step 2: Convert to fraction form
    213,447.96/294,561.90 = 117,955.44/x
  3. Step 3: Cross multiply
    213,447.96x = 294,561.90 × 117,955.44
  4. Step 4: Simplify right side
    213,447.96x = 34,745,178,521.74
  5. Step 5: Solve for x
    x = 34,745,178,521.74/213,447.96
  6. Step 6: Final answer
    x = 162,780.56

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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.