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Finding the Fourth Proportional to 108,876,389.80, 163,314,584.70 and 98,798,693.80

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Solution

The fourth proportional to 108,876,389.80, 163,314,584.70 and 98,798,693.80 is: 148,198,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,389.80 : 163,314,584.70 = 98,798,693.80 : x
  2. Step 2: Convert to fraction form
    108,876,389.80/163,314,584.70 = 98,798,693.80/x
  3. Step 3: Cross multiply
    108,876,389.80x = 163,314,584.70 × 98,798,693.80
  4. Step 4: Simplify right side
    108,876,389.80x = 16,135,267,646,849,464
  5. Step 5: Solve for x
    x = 16,135,267,646,849,464/108,876,389.80
  6. Step 6: Final answer
    x = 148,198,040.70

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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.