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Finding the Fourth Proportional to 164,606.12, 227,156.44 and 89,154.64

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Solution

The fourth proportional to 164,606.12, 227,156.44 and 89,154.64 is: 123,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,606.12 : 227,156.44 = 89,154.64 : x
  2. Step 2: Convert to fraction form
    164,606.12/227,156.44 = 89,154.64/x
  3. Step 3: Cross multiply
    164,606.12x = 227,156.44 × 89,154.64
  4. Step 4: Simplify right side
    164,606.12x = 20,252,050,631.88
  5. Step 5: Solve for x
    x = 20,252,050,631.88/164,606.12
  6. Step 6: Final answer
    x = 123,033.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.