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Finding the Fourth Proportional to 144,401.94, 216,631.79 and 44,558.39

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Solution

The fourth proportional to 144,401.94, 216,631.79 and 44,558.39 is: 66,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,401.94 : 216,631.79 = 44,558.39 : x
  2. Step 2: Convert to fraction form
    144,401.94/216,631.79 = 44,558.39/x
  3. Step 3: Cross multiply
    144,401.94x = 216,631.79 × 44,558.39
  4. Step 4: Simplify right side
    144,401.94x = 9,652,762,479.27
  5. Step 5: Solve for x
    x = 9,652,762,479.27/144,401.94
  6. Step 6: Final answer
    x = 66,846.49

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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.