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Finding the Fourth Proportional to 164,455.71, 246,484.91 and 80,089.45

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Solution

The fourth proportional to 164,455.71, 246,484.91 and 80,089.45 is: 120,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,455.71 : 246,484.91 = 80,089.45 : x
  2. Step 2: Convert to fraction form
    164,455.71/246,484.91 = 80,089.45/x
  3. Step 3: Cross multiply
    164,455.71x = 246,484.91 × 80,089.45
  4. Step 4: Simplify right side
    164,455.71x = 19,740,840,459.21
  5. Step 5: Solve for x
    x = 19,740,840,459.21/164,455.71
  6. Step 6: Final answer
    x = 120,037.43

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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.