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Finding the Fourth Proportional to 162,064.71, 243,097.07 and 43,736.04

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Solution

The fourth proportional to 162,064.71, 243,097.07 and 43,736.04 is: 65,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,064.71 : 243,097.07 = 43,736.04 : x
  2. Step 2: Convert to fraction form
    162,064.71/243,097.07 = 43,736.04/x
  3. Step 3: Cross multiply
    162,064.71x = 243,097.07 × 43,736.04
  4. Step 4: Simplify right side
    162,064.71x = 10,632,102,958.72
  5. Step 5: Solve for x
    x = 10,632,102,958.72/162,064.71
  6. Step 6: Final answer
    x = 65,604.06

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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.