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Finding the Fourth Proportional to 108,230.84, 149,400.32 and 96,880.31

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Solution

The fourth proportional to 108,230.84, 149,400.32 and 96,880.31 is: 133,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,230.84 : 149,400.32 = 96,880.31 : x
  2. Step 2: Convert to fraction form
    108,230.84/149,400.32 = 96,880.31/x
  3. Step 3: Cross multiply
    108,230.84x = 149,400.32 × 96,880.31
  4. Step 4: Simplify right side
    108,230.84x = 14,473,949,315.70
  5. Step 5: Solve for x
    x = 14,473,949,315.70/108,230.84
  6. Step 6: Final answer
    x = 133,732.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.