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Finding the Fourth Proportional to 144,640.53, 217,017.90 and 44,808.51

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Solution

The fourth proportional to 144,640.53, 217,017.90 and 44,808.51 is: 67,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,640.53 : 217,017.90 = 44,808.51 : x
  2. Step 2: Convert to fraction form
    144,640.53/217,017.90 = 44,808.51/x
  3. Step 3: Cross multiply
    144,640.53x = 217,017.90 × 44,808.51
  4. Step 4: Simplify right side
    144,640.53x = 9,724,248,742.33
  5. Step 5: Solve for x
    x = 9,724,248,742.33/144,640.53
  6. Step 6: Final answer
    x = 67,230.46

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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.