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Finding the Fourth Proportional to 176,677.50, 243,817.38 and 101,226

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Solution

The fourth proportional to 176,677.50, 243,817.38 and 101,226 is: 139,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,677.50 : 243,817.38 = 101,226 : x
  2. Step 2: Convert to fraction form
    176,677.50/243,817.38 = 101,226/x
  3. Step 3: Cross multiply
    176,677.50x = 243,817.38 × 101,226
  4. Step 4: Simplify right side
    176,677.50x = 24,680,658,107.88
  5. Step 5: Solve for x
    x = 24,680,658,107.88/176,677.50
  6. Step 6: Final answer
    x = 139,693.27

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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.