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Finding the Fourth Proportional to 176,672.69, 243,814.73 and 101,235.77

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Solution

The fourth proportional to 176,672.69, 243,814.73 and 101,235.77 is: 139,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,672.69 : 243,814.73 = 101,235.77 : x
  2. Step 2: Convert to fraction form
    176,672.69/243,814.73 = 101,235.77/x
  3. Step 3: Cross multiply
    176,672.69x = 243,814.73 × 101,235.77
  4. Step 4: Simplify right side
    176,672.69x = 24,682,773,343.58
  5. Step 5: Solve for x
    x = 24,682,773,343.58/176,672.69
  6. Step 6: Final answer
    x = 139,709.04

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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.