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Finding the Fourth Proportional to 176,661, 243,796.02 and 97,173

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Solution

The fourth proportional to 176,661, 243,796.02 and 97,173 is: 134,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,661 : 243,796.02 = 97,173 : x
  2. Step 2: Convert to fraction form
    176,661/243,796.02 = 97,173/x
  3. Step 3: Cross multiply
    176,661x = 243,796.02 × 97,173
  4. Step 4: Simplify right side
    176,661x = 23,690,390,651.46
  5. Step 5: Solve for x
    x = 23,690,390,651.46/176,661
  6. Step 6: Final answer
    x = 134,100.85

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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.