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Finding the Fourth Proportional to 219,533.96, 329,262.62 and 61,724.90

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Solution

The fourth proportional to 219,533.96, 329,262.62 and 61,724.90 is: 92,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,533.96 : 329,262.62 = 61,724.90 : x
  2. Step 2: Convert to fraction form
    219,533.96/329,262.62 = 61,724.90/x
  3. Step 3: Cross multiply
    219,533.96x = 329,262.62 × 61,724.90
  4. Step 4: Simplify right side
    219,533.96x = 20,323,702,293.24
  5. Step 5: Solve for x
    x = 20,323,702,293.24/219,533.96
  6. Step 6: Final answer
    x = 92,576.58

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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.