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Finding the Fourth Proportional to 162,751.25, 224,446.91 and 111,673.87

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Solution

The fourth proportional to 162,751.25, 224,446.91 and 111,673.87 is: 154,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,751.25 : 224,446.91 = 111,673.87 : x
  2. Step 2: Convert to fraction form
    162,751.25/224,446.91 = 111,673.87/x
  3. Step 3: Cross multiply
    162,751.25x = 224,446.91 × 111,673.87
  4. Step 4: Simplify right side
    162,751.25x = 25,064,853,929.76
  5. Step 5: Solve for x
    x = 25,064,853,929.76/162,751.25
  6. Step 6: Final answer
    x = 154,007.13

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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.