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Finding the Fourth Proportional to 164,636.90, 246,962.28 and 80,296.58

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Solution

The fourth proportional to 164,636.90, 246,962.28 and 80,296.58 is: 120,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,636.90 : 246,962.28 = 80,296.58 : x
  2. Step 2: Convert to fraction form
    164,636.90/246,962.28 = 80,296.58/x
  3. Step 3: Cross multiply
    164,636.90x = 246,962.28 × 80,296.58
  4. Step 4: Simplify right side
    164,636.90x = 19,830,226,473.00
  5. Step 5: Solve for x
    x = 19,830,226,473.00/164,636.90
  6. Step 6: Final answer
    x = 120,448.25

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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.