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Finding the Fourth Proportional to 201,373.02, 301,870.80 and 68,159.97

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Solution

The fourth proportional to 201,373.02, 301,870.80 and 68,159.97 is: 102,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,373.02 : 301,870.80 = 68,159.97 : x
  2. Step 2: Convert to fraction form
    201,373.02/301,870.80 = 68,159.97/x
  3. Step 3: Cross multiply
    201,373.02x = 301,870.80 × 68,159.97
  4. Step 4: Simplify right side
    201,373.02x = 20,575,504,671.88
  5. Step 5: Solve for x
    x = 20,575,504,671.88/201,373.02
  6. Step 6: Final answer
    x = 102,176.07

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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.