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Finding the Fourth Proportional to 162,354.52, 224,191.74 and 102,029.68

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Solution

The fourth proportional to 162,354.52, 224,191.74 and 102,029.68 is: 140,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,354.52 : 224,191.74 = 102,029.68 : x
  2. Step 2: Convert to fraction form
    162,354.52/224,191.74 = 102,029.68/x
  3. Step 3: Cross multiply
    162,354.52x = 224,191.74 × 102,029.68
  4. Step 4: Simplify right side
    162,354.52x = 22,874,211,490.84
  5. Step 5: Solve for x
    x = 22,874,211,490.84/162,354.52
  6. Step 6: Final answer
    x = 140,890.51

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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.