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Finding the Fourth Proportional to 144,894.09, 217,187.73 and 48,739.76

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Solution

The fourth proportional to 144,894.09, 217,187.73 and 48,739.76 is: 73,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,894.09 : 217,187.73 = 48,739.76 : x
  2. Step 2: Convert to fraction form
    144,894.09/217,187.73 = 48,739.76/x
  3. Step 3: Cross multiply
    144,894.09x = 217,187.73 × 48,739.76
  4. Step 4: Simplify right side
    144,894.09x = 10,585,678,378.11
  5. Step 5: Solve for x
    x = 10,585,678,378.11/144,894.09
  6. Step 6: Final answer
    x = 73,058.04

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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.