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Finding the Fourth Proportional to 173,486.34, 260,193.44 and 66,833.64

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Solution

The fourth proportional to 173,486.34, 260,193.44 and 66,833.64 is: 100,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,486.34 : 260,193.44 = 66,833.64 : x
  2. Step 2: Convert to fraction form
    173,486.34/260,193.44 = 66,833.64/x
  3. Step 3: Cross multiply
    173,486.34x = 260,193.44 × 66,833.64
  4. Step 4: Simplify right side
    173,486.34x = 17,389,674,365.15
  5. Step 5: Solve for x
    x = 17,389,674,365.15/173,486.34
  6. Step 6: Final answer
    x = 100,236.56

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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.