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Finding the Fourth Proportional to 236,702.04, 354,930.66 and 86,903.88

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Solution

The fourth proportional to 236,702.04, 354,930.66 and 86,903.88 is: 130,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,702.04 : 354,930.66 = 86,903.88 : x
  2. Step 2: Convert to fraction form
    236,702.04/354,930.66 = 86,903.88/x
  3. Step 3: Cross multiply
    236,702.04x = 354,930.66 × 86,903.88
  4. Step 4: Simplify right side
    236,702.04x = 30,844,851,484.96
  5. Step 5: Solve for x
    x = 30,844,851,484.96/236,702.04
  6. Step 6: Final answer
    x = 130,310.88

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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.