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Finding the Fourth Proportional to 108,876,673.90, 163,315,010.85 and 98,798,977.90

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Solution

The fourth proportional to 108,876,673.90, 163,315,010.85 and 98,798,977.90 is: 148,198,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,673.90 : 163,315,010.85 = 98,798,977.90 : x
  2. Step 2: Convert to fraction form
    108,876,673.90/163,315,010.85 = 98,798,977.90/x
  3. Step 3: Cross multiply
    108,876,673.90x = 163,315,010.85 × 98,798,977.90
  4. Step 4: Simplify right side
    108,876,673.90x = 16,135,356,147,707,410
  5. Step 5: Solve for x
    x = 16,135,356,147,707,410/108,876,673.90
  6. Step 6: Final answer
    x = 148,198,466.85

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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.