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Finding the Fourth Proportional to 108,906.95, 152,625.25 and 108,906.95

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Solution

The fourth proportional to 108,906.95, 152,625.25 and 108,906.95 is: 152,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,906.95 : 152,625.25 = 108,906.95 : x
  2. Step 2: Convert to fraction form
    108,906.95/152,625.25 = 108,906.95/x
  3. Step 3: Cross multiply
    108,906.95x = 152,625.25 × 108,906.95
  4. Step 4: Simplify right side
    108,906.95x = 16,621,950,470.49
  5. Step 5: Solve for x
    x = 16,621,950,470.49/108,906.95
  6. Step 6: Final answer
    x = 152,625.25

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1.5x scale

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.