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Finding the Fourth Proportional to 214,980.52, 322,529.10 and 74,750.08

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Solution

The fourth proportional to 214,980.52, 322,529.10 and 74,750.08 is: 112,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,980.52 : 322,529.10 = 74,750.08 : x
  2. Step 2: Convert to fraction form
    214,980.52/322,529.10 = 74,750.08/x
  3. Step 3: Cross multiply
    214,980.52x = 322,529.10 × 74,750.08
  4. Step 4: Simplify right side
    214,980.52x = 24,109,076,027.33
  5. Step 5: Solve for x
    x = 24,109,076,027.33/214,980.52
  6. Step 6: Final answer
    x = 112,145.40

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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.