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Finding the Fourth Proportional to 97,383.20, 146,139.60 and 44,765.60

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Solution

The fourth proportional to 97,383.20, 146,139.60 and 44,765.60 is: 67,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,383.20 : 146,139.60 = 44,765.60 : x
  2. Step 2: Convert to fraction form
    97,383.20/146,139.60 = 44,765.60/x
  3. Step 3: Cross multiply
    97,383.20x = 146,139.60 × 44,765.60
  4. Step 4: Simplify right side
    97,383.20x = 6,542,026,877.76
  5. Step 5: Solve for x
    x = 6,542,026,877.76/97,383.20
  6. Step 6: Final answer
    x = 67,178.19

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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.