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Finding the Fourth Proportional to 218,000.08, 327,109.56 and 99,660.88

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Solution

The fourth proportional to 218,000.08, 327,109.56 and 99,660.88 is: 149,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,000.08 : 327,109.56 = 99,660.88 : x
  2. Step 2: Convert to fraction form
    218,000.08/327,109.56 = 99,660.88/x
  3. Step 3: Cross multiply
    218,000.08x = 327,109.56 × 99,660.88
  4. Step 4: Simplify right side
    218,000.08x = 32,600,026,606.01
  5. Step 5: Solve for x
    x = 32,600,026,606.01/218,000.08
  6. Step 6: Final answer
    x = 149,541.35

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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.