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Finding the Fourth Proportional to 162,975.51, 224,920.26 and 91,369.35

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Solution

The fourth proportional to 162,975.51, 224,920.26 and 91,369.35 is: 126,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,975.51 : 224,920.26 = 91,369.35 : x
  2. Step 2: Convert to fraction form
    162,975.51/224,920.26 = 91,369.35/x
  3. Step 3: Cross multiply
    162,975.51x = 224,920.26 × 91,369.35
  4. Step 4: Simplify right side
    162,975.51x = 20,550,817,958.03
  5. Step 5: Solve for x
    x = 20,550,817,958.03/162,975.51
  6. Step 6: Final answer
    x = 126,097.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.