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Finding the Fourth Proportional to 114,390.77, 171,544.03 and 39,491.69

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Solution

The fourth proportional to 114,390.77, 171,544.03 and 39,491.69 is: 59,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,390.77 : 171,544.03 = 39,491.69 : x
  2. Step 2: Convert to fraction form
    114,390.77/171,544.03 = 39,491.69/x
  3. Step 3: Cross multiply
    114,390.77x = 171,544.03 × 39,491.69
  4. Step 4: Simplify right side
    114,390.77x = 6,774,562,697.66
  5. Step 5: Solve for x
    x = 6,774,562,697.66/114,390.77
  6. Step 6: Final answer
    x = 59,222.99

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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.