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Finding the Fourth Proportional to 166,452, 229,703.76 and 91,001.04

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Solution

The fourth proportional to 166,452, 229,703.76 and 91,001.04 is: 125,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,452 : 229,703.76 = 91,001.04 : x
  2. Step 2: Convert to fraction form
    166,452/229,703.76 = 91,001.04/x
  3. Step 3: Cross multiply
    166,452x = 229,703.76 × 91,001.04
  4. Step 4: Simplify right side
    166,452x = 20,903,281,051.91
  5. Step 5: Solve for x
    x = 20,903,281,051.91/166,452
  6. Step 6: Final answer
    x = 125,581.44

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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.