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Finding the Fourth Proportional to 223,271.40, 334,314.72 and 134,402.88

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Solution

The fourth proportional to 223,271.40, 334,314.72 and 134,402.88 is: 201,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,271.40 : 334,314.72 = 134,402.88 : x
  2. Step 2: Convert to fraction form
    223,271.40/334,314.72 = 134,402.88/x
  3. Step 3: Cross multiply
    223,271.40x = 334,314.72 × 134,402.88
  4. Step 4: Simplify right side
    223,271.40x = 44,932,861,194.39
  5. Step 5: Solve for x
    x = 44,932,861,194.39/223,271.40
  6. Step 6: Final answer
    x = 201,247.72

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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.