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Finding the Fourth Proportional to 60,222.70, 90,389.58 and 30,661.84

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Solution

The fourth proportional to 60,222.70, 90,389.58 and 30,661.84 is: 46,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,222.70 : 90,389.58 = 30,661.84 : x
  2. Step 2: Convert to fraction form
    60,222.70/90,389.58 = 30,661.84/x
  3. Step 3: Cross multiply
    60,222.70x = 90,389.58 × 30,661.84
  4. Step 4: Simplify right side
    60,222.70x = 2,771,510,839.63
  5. Step 5: Solve for x
    x = 2,771,510,839.63/60,222.70
  6. Step 6: Final answer
    x = 46,021.03

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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.