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Finding the Fourth Proportional to 123,583,393.80, 185,375,090.70 and 32,716,168.20

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Solution

The fourth proportional to 123,583,393.80, 185,375,090.70 and 32,716,168.20 is: 49,074,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,583,393.80 : 185,375,090.70 = 32,716,168.20 : x
  2. Step 2: Convert to fraction form
    123,583,393.80/185,375,090.70 = 32,716,168.20/x
  3. Step 3: Cross multiply
    123,583,393.80x = 185,375,090.70 × 32,716,168.20
  4. Step 4: Simplify right side
    123,583,393.80x = 6,064,762,647,431,455
  5. Step 5: Solve for x
    x = 6,064,762,647,431,455/123,583,393.80
  6. Step 6: Final answer
    x = 49,074,252.30

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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.