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Finding the Fourth Proportional to 168,964.01, 253,166.15 and 118,799.01

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Solution

The fourth proportional to 168,964.01, 253,166.15 and 118,799.01 is: 178,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,964.01 : 253,166.15 = 118,799.01 : x
  2. Step 2: Convert to fraction form
    168,964.01/253,166.15 = 118,799.01/x
  3. Step 3: Cross multiply
    168,964.01x = 253,166.15 × 118,799.01
  4. Step 4: Simplify right side
    168,964.01x = 30,075,888,660.42
  5. Step 5: Solve for x
    x = 30,075,888,660.42/168,964.01
  6. Step 6: Final answer
    x = 178,001.75

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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.