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Finding the Fourth Proportional to 236,503.08, 354,814.70 and 68,019.84

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Solution

The fourth proportional to 236,503.08, 354,814.70 and 68,019.84 is: 102,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,503.08 : 354,814.70 = 68,019.84 : x
  2. Step 2: Convert to fraction form
    236,503.08/354,814.70 = 68,019.84/x
  3. Step 3: Cross multiply
    236,503.08x = 354,814.70 × 68,019.84
  4. Step 4: Simplify right side
    236,503.08x = 24,134,438,783.55
  5. Step 5: Solve for x
    x = 24,134,438,783.55/236,503.08
  6. Step 6: Final answer
    x = 102,047.04

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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.