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Finding the Fourth Proportional to 173,348.40, 260,022.60 and 98,439.60

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Solution

The fourth proportional to 173,348.40, 260,022.60 and 98,439.60 is: 147,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,348.40 : 260,022.60 = 98,439.60 : x
  2. Step 2: Convert to fraction form
    173,348.40/260,022.60 = 98,439.60/x
  3. Step 3: Cross multiply
    173,348.40x = 260,022.60 × 98,439.60
  4. Step 4: Simplify right side
    173,348.40x = 25,596,520,734.96
  5. Step 5: Solve for x
    x = 25,596,520,734.96/173,348.40
  6. Step 6: Final answer
    x = 147,659.40

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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.