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Finding the Fourth Proportional to 64,119.60, 96,184.87 and 16,740.98

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Solution

The fourth proportional to 64,119.60, 96,184.87 and 16,740.98 is: 25,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,119.60 : 96,184.87 = 16,740.98 : x
  2. Step 2: Convert to fraction form
    64,119.60/96,184.87 = 16,740.98/x
  3. Step 3: Cross multiply
    64,119.60x = 96,184.87 × 16,740.98
  4. Step 4: Simplify right side
    64,119.60x = 1,610,228,822.89
  5. Step 5: Solve for x
    x = 1,610,228,822.89/64,119.60
  6. Step 6: Final answer
    x = 25,112.90

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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.