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Finding the Fourth Proportional to 223,510.20, 334,827.90 and 134,499.30

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Solution

The fourth proportional to 223,510.20, 334,827.90 and 134,499.30 is: 201,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,510.20 : 334,827.90 = 134,499.30 : x
  2. Step 2: Convert to fraction form
    223,510.20/334,827.90 = 134,499.30/x
  3. Step 3: Cross multiply
    223,510.20x = 334,827.90 × 134,499.30
  4. Step 4: Simplify right side
    223,510.20x = 45,034,118,170.47
  5. Step 5: Solve for x
    x = 45,034,118,170.47/223,510.20
  6. Step 6: Final answer
    x = 201,485.74

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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.