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Finding the Fourth Proportional to 173,148.40, 259,722.60 and 143,599.60

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Solution

The fourth proportional to 173,148.40, 259,722.60 and 143,599.60 is: 215,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,148.40 : 259,722.60 = 143,599.60 : x
  2. Step 2: Convert to fraction form
    173,148.40/259,722.60 = 143,599.60/x
  3. Step 3: Cross multiply
    173,148.40x = 259,722.60 × 143,599.60
  4. Step 4: Simplify right side
    173,148.40x = 37,296,061,470.96
  5. Step 5: Solve for x
    x = 37,296,061,470.96/173,148.40
  6. Step 6: Final answer
    x = 215,399.40

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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.