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Finding the Fourth Proportional to 213,540.84, 294,660.72 and 118,034.46

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Solution

The fourth proportional to 213,540.84, 294,660.72 and 118,034.46 is: 162,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,540.84 : 294,660.72 = 118,034.46 : x
  2. Step 2: Convert to fraction form
    213,540.84/294,660.72 = 118,034.46/x
  3. Step 3: Cross multiply
    213,540.84x = 294,660.72 × 118,034.46
  4. Step 4: Simplify right side
    213,540.84x = 34,780,118,968.41
  5. Step 5: Solve for x
    x = 34,780,118,968.41/213,540.84
  6. Step 6: Final answer
    x = 162,873.38

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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.