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Finding the Fourth Proportional to 201,841,375.80, 302,762,063.70 and 165,969,108.30

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Solution

The fourth proportional to 201,841,375.80, 302,762,063.70 and 165,969,108.30 is: 248,953,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,841,375.80 : 302,762,063.70 = 165,969,108.30 : x
  2. Step 2: Convert to fraction form
    201,841,375.80/302,762,063.70 = 165,969,108.30/x
  3. Step 3: Cross multiply
    201,841,375.80x = 302,762,063.70 × 165,969,108.30
  4. Step 4: Simplify right side
    201,841,375.80x = 50,249,149,739,356,800
  5. Step 5: Solve for x
    x = 50,249,149,739,356,800/201,841,375.80
  6. Step 6: Final answer
    x = 248,953,662.45

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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.