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Finding the Fourth Proportional to 167,409.20, 251,113.80 and 104,423.60

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Solution

The fourth proportional to 167,409.20, 251,113.80 and 104,423.60 is: 156,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,409.20 : 251,113.80 = 104,423.60 : x
  2. Step 2: Convert to fraction form
    167,409.20/251,113.80 = 104,423.60/x
  3. Step 3: Cross multiply
    167,409.20x = 251,113.80 × 104,423.60
  4. Step 4: Simplify right side
    167,409.20x = 26,222,207,005.68
  5. Step 5: Solve for x
    x = 26,222,207,005.68/167,409.20
  6. Step 6: Final answer
    x = 156,635.40

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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.