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Finding the Fourth Proportional to 201,237.10, 301,855.65 and 151,045.45

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Solution

The fourth proportional to 201,237.10, 301,855.65 and 151,045.45 is: 226,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,237.10 : 301,855.65 = 151,045.45 : x
  2. Step 2: Convert to fraction form
    201,237.10/301,855.65 = 151,045.45/x
  3. Step 3: Cross multiply
    201,237.10x = 301,855.65 × 151,045.45
  4. Step 4: Simplify right side
    201,237.10x = 45,593,922,489.29
  5. Step 5: Solve for x
    x = 45,593,922,489.29/201,237.10
  6. Step 6: Final answer
    x = 226,568.18

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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.