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Finding the Fourth Proportional to 144,093.58, 215,697.47 and 122,835.94

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Solution

The fourth proportional to 144,093.58, 215,697.47 and 122,835.94 is: 183,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093.58 : 215,697.47 = 122,835.94 : x
  2. Step 2: Convert to fraction form
    144,093.58/215,697.47 = 122,835.94/x
  3. Step 3: Cross multiply
    144,093.58x = 215,697.47 × 122,835.94
  4. Step 4: Simplify right side
    144,093.58x = 26,495,400,329.65
  5. Step 5: Solve for x
    x = 26,495,400,329.65/144,093.58
  6. Step 6: Final answer
    x = 183,876.34

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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.