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Finding the Fourth Proportional to 164,433.60, 246,650.40 and 75,860.10

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Solution

The fourth proportional to 164,433.60, 246,650.40 and 75,860.10 is: 113,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,433.60 : 246,650.40 = 75,860.10 : x
  2. Step 2: Convert to fraction form
    164,433.60/246,650.40 = 75,860.10/x
  3. Step 3: Cross multiply
    164,433.60x = 246,650.40 × 75,860.10
  4. Step 4: Simplify right side
    164,433.60x = 18,710,924,009.04
  5. Step 5: Solve for x
    x = 18,710,924,009.04/164,433.60
  6. Step 6: Final answer
    x = 113,790.15

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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.