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Finding the Fourth Proportional to 201,984,013.40, 302,976,020.10 and 65,673,843.80

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Solution

The fourth proportional to 201,984,013.40, 302,976,020.10 and 65,673,843.80 is: 98,510,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,984,013.40 : 302,976,020.10 = 65,673,843.80 : x
  2. Step 2: Convert to fraction form
    201,984,013.40/302,976,020.10 = 65,673,843.80/x
  3. Step 3: Cross multiply
    201,984,013.40x = 302,976,020.10 × 65,673,843.80
  4. Step 4: Simplify right side
    201,984,013.40x = 19,897,599,819,193,060
  5. Step 5: Solve for x
    x = 19,897,599,819,193,060/201,984,013.40
  6. Step 6: Final answer
    x = 98,510,765.70

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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.