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Finding the Fourth Proportional to 173,625.60, 260,387.20 and 68,409.60

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Solution

The fourth proportional to 173,625.60, 260,387.20 and 68,409.60 is: 102,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,625.60 : 260,387.20 = 68,409.60 : x
  2. Step 2: Convert to fraction form
    173,625.60/260,387.20 = 68,409.60/x
  3. Step 3: Cross multiply
    173,625.60x = 260,387.20 × 68,409.60
  4. Step 4: Simplify right side
    173,625.60x = 17,812,984,197.12
  5. Step 5: Solve for x
    x = 17,812,984,197.12/173,625.60
  6. Step 6: Final answer
    x = 102,594.23

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1.5x scale

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.