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Finding the Fourth Proportional to 236,184.56, 354,199.80 and 78,370.64

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Solution

The fourth proportional to 236,184.56, 354,199.80 and 78,370.64 is: 117,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,184.56 : 354,199.80 = 78,370.64 : x
  2. Step 2: Convert to fraction form
    236,184.56/354,199.80 = 78,370.64/x
  3. Step 3: Cross multiply
    236,184.56x = 354,199.80 × 78,370.64
  4. Step 4: Simplify right side
    236,184.56x = 27,758,865,013.87
  5. Step 5: Solve for x
    x = 27,758,865,013.87/236,184.56
  6. Step 6: Final answer
    x = 117,530.40

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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.