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Finding the Fourth Proportional to 119,908.94, 180,067.54 and 114,893.42

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Solution

The fourth proportional to 119,908.94, 180,067.54 and 114,893.42 is: 172,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,908.94 : 180,067.54 = 114,893.42 : x
  2. Step 2: Convert to fraction form
    119,908.94/180,067.54 = 114,893.42/x
  3. Step 3: Cross multiply
    119,908.94x = 180,067.54 × 114,893.42
  4. Step 4: Simplify right side
    119,908.94x = 20,688,575,501.59
  5. Step 5: Solve for x
    x = 20,688,575,501.59/119,908.94
  6. Step 6: Final answer
    x = 172,535.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.