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Finding the Fourth Proportional to 173,951.40, 260,951.40 and 74,110.80

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Solution

The fourth proportional to 173,951.40, 260,951.40 and 74,110.80 is: 111,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,951.40 : 260,951.40 = 74,110.80 : x
  2. Step 2: Convert to fraction form
    173,951.40/260,951.40 = 74,110.80/x
  3. Step 3: Cross multiply
    173,951.40x = 260,951.40 × 74,110.80
  4. Step 4: Simplify right side
    173,951.40x = 19,339,317,015.12
  5. Step 5: Solve for x
    x = 19,339,317,015.12/173,951.40
  6. Step 6: Final answer
    x = 111,176.55

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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.