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Finding the Fourth Proportional to 173,344.40, 260,016.60 and 145,350.80

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Solution

The fourth proportional to 173,344.40, 260,016.60 and 145,350.80 is: 218,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,344.40 : 260,016.60 = 145,350.80 : x
  2. Step 2: Convert to fraction form
    173,344.40/260,016.60 = 145,350.80/x
  3. Step 3: Cross multiply
    173,344.40x = 260,016.60 × 145,350.80
  4. Step 4: Simplify right side
    173,344.40x = 37,793,620,823.28
  5. Step 5: Solve for x
    x = 37,793,620,823.28/173,344.40
  6. Step 6: Final answer
    x = 218,026.20

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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.