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Finding the Fourth Proportional to 200,737,271.60, 301,105,907.40 and 108,904,266.80

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Solution

The fourth proportional to 200,737,271.60, 301,105,907.40 and 108,904,266.80 is: 163,356,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,737,271.60 : 301,105,907.40 = 108,904,266.80 : x
  2. Step 2: Convert to fraction form
    200,737,271.60/301,105,907.40 = 108,904,266.80/x
  3. Step 3: Cross multiply
    200,737,271.60x = 301,105,907.40 × 108,904,266.80
  4. Step 4: Simplify right side
    200,737,271.60x = 32,791,718,074,545,692
  5. Step 5: Solve for x
    x = 32,791,718,074,545,692/200,737,271.60
  6. Step 6: Final answer
    x = 163,356,400.20

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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.