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Finding the Fourth Proportional to 135,814.68, 203,722.02 and 47,068.16

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Solution

The fourth proportional to 135,814.68, 203,722.02 and 47,068.16 is: 70,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,814.68 : 203,722.02 = 47,068.16 : x
  2. Step 2: Convert to fraction form
    135,814.68/203,722.02 = 47,068.16/x
  3. Step 3: Cross multiply
    135,814.68x = 203,722.02 × 47,068.16
  4. Step 4: Simplify right side
    135,814.68x = 9,588,819,614.27
  5. Step 5: Solve for x
    x = 9,588,819,614.27/135,814.68
  6. Step 6: Final answer
    x = 70,602.23

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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.