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Finding the Fourth Proportional to 201,641.40, 302,462.10 and 83,273.40

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Solution

The fourth proportional to 201,641.40, 302,462.10 and 83,273.40 is: 124,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,641.40 : 302,462.10 = 83,273.40 : x
  2. Step 2: Convert to fraction form
    201,641.40/302,462.10 = 83,273.40/x
  3. Step 3: Cross multiply
    201,641.40x = 302,462.10 × 83,273.40
  4. Step 4: Simplify right side
    201,641.40x = 25,187,047,438.14
  5. Step 5: Solve for x
    x = 25,187,047,438.14/201,641.40
  6. Step 6: Final answer
    x = 124,910.10

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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.