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Finding the Fourth Proportional to 98,648,520.60, 138,334,677 and 98,648,520.60

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Solution

The fourth proportional to 98,648,520.60, 138,334,677 and 98,648,520.60 is: 138,334,677

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,648,520.60 : 138,334,677 = 98,648,520.60 : x
  2. Step 2: Convert to fraction form
    98,648,520.60/138,334,677 = 98,648,520.60/x
  3. Step 3: Cross multiply
    98,648,520.60x = 138,334,677 × 98,648,520.60
  4. Step 4: Simplify right side
    98,648,520.60x = 13,646,511,233,728,846
  5. Step 5: Solve for x
    x = 13,646,511,233,728,846/98,648,520.60
  6. Step 6: Final answer
    x = 138,334,677

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.