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Finding the Fourth Proportional to 103,072.40, 154,608.60 and 32,958.80

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Solution

The fourth proportional to 103,072.40, 154,608.60 and 32,958.80 is: 49,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,072.40 : 154,608.60 = 32,958.80 : x
  2. Step 2: Convert to fraction form
    103,072.40/154,608.60 = 32,958.80/x
  3. Step 3: Cross multiply
    103,072.40x = 154,608.60 × 32,958.80
  4. Step 4: Simplify right side
    103,072.40x = 5,095,713,925.68
  5. Step 5: Solve for x
    x = 5,095,713,925.68/103,072.40
  6. Step 6: Final answer
    x = 49,438.20

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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.