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Finding the Fourth Proportional to 72,027.64, 108,181.50 and 58,710.40

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Solution

The fourth proportional to 72,027.64, 108,181.50 and 58,710.40 is: 88,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,027.64 : 108,181.50 = 58,710.40 : x
  2. Step 2: Convert to fraction form
    72,027.64/108,181.50 = 58,710.40/x
  3. Step 3: Cross multiply
    72,027.64x = 108,181.50 × 58,710.40
  4. Step 4: Simplify right side
    72,027.64x = 6,351,379,137.60
  5. Step 5: Solve for x
    x = 6,351,379,137.60/72,027.64
  6. Step 6: Final answer
    x = 88,179.75

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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.