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Finding the Fourth Proportional to 140,656.52, 211,021.04 and 50,695.65

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Solution

The fourth proportional to 140,656.52, 211,021.04 and 50,695.65 is: 76,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,656.52 : 211,021.04 = 50,695.65 : x
  2. Step 2: Convert to fraction form
    140,656.52/211,021.04 = 50,695.65/x
  3. Step 3: Cross multiply
    140,656.52x = 211,021.04 × 50,695.65
  4. Step 4: Simplify right side
    140,656.52x = 10,697,848,913.22
  5. Step 5: Solve for x
    x = 10,697,848,913.22/140,656.52
  6. Step 6: Final answer
    x = 76,056.54

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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.