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Finding the Fourth Proportional to 108,856,676, 163,285,014 and 45,031,268

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Solution

The fourth proportional to 108,856,676, 163,285,014 and 45,031,268 is: 67,546,902

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,856,676 : 163,285,014 = 45,031,268 : x
  2. Step 2: Convert to fraction form
    108,856,676/163,285,014 = 45,031,268/x
  3. Step 3: Cross multiply
    108,856,676x = 163,285,014 × 45,031,268
  4. Step 4: Simplify right side
    108,856,676x = 7,352,931,225,817,752
  5. Step 5: Solve for x
    x = 7,352,931,225,817,752/108,856,676
  6. Step 6: Final answer
    x = 67,546,902

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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.