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Finding the Fourth Proportional to 112,245.54, 154,898.06 and 61,944.54

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Solution

The fourth proportional to 112,245.54, 154,898.06 and 61,944.54 is: 85,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,245.54 : 154,898.06 = 61,944.54 : x
  2. Step 2: Convert to fraction form
    112,245.54/154,898.06 = 61,944.54/x
  3. Step 3: Cross multiply
    112,245.54x = 154,898.06 × 61,944.54
  4. Step 4: Simplify right side
    112,245.54x = 9,595,089,073.59
  5. Step 5: Solve for x
    x = 9,595,089,073.59/112,245.54
  6. Step 6: Final answer
    x = 85,483.03

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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.