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Finding the Fourth Proportional to 216,576.50, 298,860.39 and 125,926.03

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Solution

The fourth proportional to 216,576.50, 298,860.39 and 125,926.03 is: 173,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,576.50 : 298,860.39 = 125,926.03 : x
  2. Step 2: Convert to fraction form
    216,576.50/298,860.39 = 125,926.03/x
  3. Step 3: Cross multiply
    216,576.50x = 298,860.39 × 125,926.03
  4. Step 4: Simplify right side
    216,576.50x = 37,634,302,436.95
  5. Step 5: Solve for x
    x = 37,634,302,436.95/216,576.50
  6. Step 6: Final answer
    x = 173,769.10

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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.