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Finding the Fourth Proportional to 122,110.40, 183,165.60 and 111,029.60

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Solution

The fourth proportional to 122,110.40, 183,165.60 and 111,029.60 is: 166,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,110.40 : 183,165.60 = 111,029.60 : x
  2. Step 2: Convert to fraction form
    122,110.40/183,165.60 = 111,029.60/x
  3. Step 3: Cross multiply
    122,110.40x = 183,165.60 × 111,029.60
  4. Step 4: Simplify right side
    122,110.40x = 20,336,803,301.76
  5. Step 5: Solve for x
    x = 20,336,803,301.76/122,110.40
  6. Step 6: Final answer
    x = 166,544.40

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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.