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Finding the Fourth Proportional to 171,465.59, 236,684.63 and 139,579.13

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Solution

The fourth proportional to 171,465.59, 236,684.63 and 139,579.13 is: 192,669.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,465.59 : 236,684.63 = 139,579.13 : x
  2. Step 2: Convert to fraction form
    171,465.59/236,684.63 = 139,579.13/x
  3. Step 3: Cross multiply
    171,465.59x = 236,684.63 × 139,579.13
  4. Step 4: Simplify right side
    171,465.59x = 33,036,234,739.77
  5. Step 5: Solve for x
    x = 33,036,234,739.77/171,465.59
  6. Step 6: Final answer
    x = 192,669.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.