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Finding the Fourth Proportional to 219,599.54, 303,047.52 and 118,997.54

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Solution

The fourth proportional to 219,599.54, 303,047.52 and 118,997.54 is: 164,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,599.54 : 303,047.52 = 118,997.54 : x
  2. Step 2: Convert to fraction form
    219,599.54/303,047.52 = 118,997.54/x
  3. Step 3: Cross multiply
    219,599.54x = 303,047.52 × 118,997.54
  4. Step 4: Simplify right side
    219,599.54x = 36,061,909,383.10
  5. Step 5: Solve for x
    x = 36,061,909,383.10/219,599.54
  6. Step 6: Final answer
    x = 164,216.69

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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.