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Finding the Fourth Proportional to 144,383.40, 216,599.70 and 44,541.72

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Solution

The fourth proportional to 144,383.40, 216,599.70 and 44,541.72 is: 66,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,383.40 : 216,599.70 = 44,541.72 : x
  2. Step 2: Convert to fraction form
    144,383.40/216,599.70 = 44,541.72/x
  3. Step 3: Cross multiply
    144,383.40x = 216,599.70 × 44,541.72
  4. Step 4: Simplify right side
    144,383.40x = 9,647,723,189.48
  5. Step 5: Solve for x
    x = 9,647,723,189.48/144,383.40
  6. Step 6: Final answer
    x = 66,820.17

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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.