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Finding the Fourth Proportional to 201,186.02, 301,779.13 and 74,809.84

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Solution

The fourth proportional to 201,186.02, 301,779.13 and 74,809.84 is: 112,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,186.02 : 301,779.13 = 74,809.84 : x
  2. Step 2: Convert to fraction form
    201,186.02/301,779.13 = 74,809.84/x
  3. Step 3: Cross multiply
    201,186.02x = 301,779.13 × 74,809.84
  4. Step 4: Simplify right side
    201,186.02x = 22,576,047,769.70
  5. Step 5: Solve for x
    x = 22,576,047,769.70/201,186.02
  6. Step 6: Final answer
    x = 112,214.80

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1.5x scale

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.