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Finding the Fourth Proportional to 144,495.94, 216,722.04 and 39,323.11

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Solution

The fourth proportional to 144,495.94, 216,722.04 and 39,323.11 is: 58,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,495.94 : 216,722.04 = 39,323.11 : x
  2. Step 2: Convert to fraction form
    144,495.94/216,722.04 = 39,323.11/x
  3. Step 3: Cross multiply
    144,495.94x = 216,722.04 × 39,323.11
  4. Step 4: Simplify right side
    144,495.94x = 8,522,184,618.34
  5. Step 5: Solve for x
    x = 8,522,184,618.34/144,495.94
  6. Step 6: Final answer
    x = 58,978.71

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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.