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Finding the Fourth Proportional to 143,491, 215,271.08 and 44,995

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Solution

The fourth proportional to 143,491, 215,271.08 and 44,995 is: 67,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,491 : 215,271.08 = 44,995 : x
  2. Step 2: Convert to fraction form
    143,491/215,271.08 = 44,995/x
  3. Step 3: Cross multiply
    143,491x = 215,271.08 × 44,995
  4. Step 4: Simplify right side
    143,491x = 9,686,122,244.60
  5. Step 5: Solve for x
    x = 9,686,122,244.60/143,491
  6. Step 6: Final answer
    x = 67,503.34

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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.