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Finding the Fourth Proportional to 113,985,964, 170,978,946 and 50,160,556

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Solution

The fourth proportional to 113,985,964, 170,978,946 and 50,160,556 is: 75,240,834

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,985,964 : 170,978,946 = 50,160,556 : x
  2. Step 2: Convert to fraction form
    113,985,964/170,978,946 = 50,160,556/x
  3. Step 3: Cross multiply
    113,985,964x = 170,978,946 × 50,160,556
  4. Step 4: Simplify right side
    113,985,964x = 8,576,398,995,653,976
  5. Step 5: Solve for x
    x = 8,576,398,995,653,976/113,985,964
  6. Step 6: Final answer
    x = 75,240,834

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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.