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Finding the Fourth Proportional to 168,188.34, 252,400.74 and 152,108.90

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Solution

The fourth proportional to 168,188.34, 252,400.74 and 152,108.90 is: 228,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,188.34 : 252,400.74 = 152,108.90 : x
  2. Step 2: Convert to fraction form
    168,188.34/252,400.74 = 152,108.90/x
  3. Step 3: Cross multiply
    168,188.34x = 252,400.74 × 152,108.90
  4. Step 4: Simplify right side
    168,188.34x = 38,392,398,920.59
  5. Step 5: Solve for x
    x = 38,392,398,920.59/168,188.34
  6. Step 6: Final answer
    x = 228,270.28

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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.