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Finding the Fourth Proportional to 176,678.80, 243,823.08 and 101,241.88

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Solution

The fourth proportional to 176,678.80, 243,823.08 and 101,241.88 is: 139,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,678.80 : 243,823.08 = 101,241.88 : x
  2. Step 2: Convert to fraction form
    176,678.80/243,823.08 = 101,241.88/x
  3. Step 3: Cross multiply
    176,678.80x = 243,823.08 × 101,241.88
  4. Step 4: Simplify right side
    176,678.80x = 24,685,107,006.59
  5. Step 5: Solve for x
    x = 24,685,107,006.59/176,678.80
  6. Step 6: Final answer
    x = 139,717.43

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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.