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Finding the Fourth Proportional to 173,323.20, 259,984.80 and 143,774.40

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Solution

The fourth proportional to 173,323.20, 259,984.80 and 143,774.40 is: 215,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,323.20 : 259,984.80 = 143,774.40 : x
  2. Step 2: Convert to fraction form
    173,323.20/259,984.80 = 143,774.40/x
  3. Step 3: Cross multiply
    173,323.20x = 259,984.80 × 143,774.40
  4. Step 4: Simplify right side
    173,323.20x = 37,379,158,629.12
  5. Step 5: Solve for x
    x = 37,379,158,629.12/173,323.20
  6. Step 6: Final answer
    x = 215,661.60

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Similar ratio
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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.