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Finding the Fourth Proportional to 133,486.40, 200,224.40 and 49,210.10

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Solution

The fourth proportional to 133,486.40, 200,224.40 and 49,210.10 is: 73,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,486.40 : 200,224.40 = 49,210.10 : x
  2. Step 2: Convert to fraction form
    133,486.40/200,224.40 = 49,210.10/x
  3. Step 3: Cross multiply
    133,486.40x = 200,224.40 × 49,210.10
  4. Step 4: Simplify right side
    133,486.40x = 9,853,062,902.34
  5. Step 5: Solve for x
    x = 9,853,062,902.34/133,486.40
  6. Step 6: Final answer
    x = 73,813.23

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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.