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Finding the Fourth Proportional to 189,957.93, 263,340.72 and 179,845.89

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Solution

The fourth proportional to 189,957.93, 263,340.72 and 179,845.89 is: 249,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,957.93 : 263,340.72 = 179,845.89 : x
  2. Step 2: Convert to fraction form
    189,957.93/263,340.72 = 179,845.89/x
  3. Step 3: Cross multiply
    189,957.93x = 263,340.72 × 179,845.89
  4. Step 4: Simplify right side
    189,957.93x = 47,360,746,161.64
  5. Step 5: Solve for x
    x = 47,360,746,161.64/189,957.93
  6. Step 6: Final answer
    x = 249,322.29

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.