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Finding the Fourth Proportional to 252,669, 379,102.05 and 94,909.89

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Solution

The fourth proportional to 252,669, 379,102.05 and 94,909.89 is: 142,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,669 : 379,102.05 = 94,909.89 : x
  2. Step 2: Convert to fraction form
    252,669/379,102.05 = 94,909.89/x
  3. Step 3: Cross multiply
    252,669x = 379,102.05 × 94,909.89
  4. Step 4: Simplify right side
    252,669x = 35,980,533,864.27
  5. Step 5: Solve for x
    x = 35,980,533,864.27/252,669
  6. Step 6: Final answer
    x = 142,401.85

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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.