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Finding the Fourth Proportional to 183,627.48, 253,311.48 and 122,478.96

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Solution

The fourth proportional to 183,627.48, 253,311.48 and 122,478.96 is: 168,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,627.48 : 253,311.48 = 122,478.96 : x
  2. Step 2: Convert to fraction form
    183,627.48/253,311.48 = 122,478.96/x
  3. Step 3: Cross multiply
    183,627.48x = 253,311.48 × 122,478.96
  4. Step 4: Simplify right side
    183,627.48x = 31,025,326,626.46
  5. Step 5: Solve for x
    x = 31,025,326,626.46/183,627.48
  6. Step 6: Final answer
    x = 168,957.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.