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Finding the Fourth Proportional to 201,740.10, 302,610.15 and 179,189.70

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Solution

The fourth proportional to 201,740.10, 302,610.15 and 179,189.70 is: 268,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,740.10 : 302,610.15 = 179,189.70 : x
  2. Step 2: Convert to fraction form
    201,740.10/302,610.15 = 179,189.70/x
  3. Step 3: Cross multiply
    201,740.10x = 302,610.15 × 179,189.70
  4. Step 4: Simplify right side
    201,740.10x = 54,224,621,995.46
  5. Step 5: Solve for x
    x = 54,224,621,995.46/201,740.10
  6. Step 6: Final answer
    x = 268,784.55

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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.