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Finding the Fourth Proportional to 251,509.60, 377,134.80 and 93,656.80

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Solution

The fourth proportional to 251,509.60, 377,134.80 and 93,656.80 is: 140,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,509.60 : 377,134.80 = 93,656.80 : x
  2. Step 2: Convert to fraction form
    251,509.60/377,134.80 = 93,656.80/x
  3. Step 3: Cross multiply
    251,509.60x = 377,134.80 × 93,656.80
  4. Step 4: Simplify right side
    251,509.60x = 35,321,238,536.64
  5. Step 5: Solve for x
    x = 35,321,238,536.64/251,509.60
  6. Step 6: Final answer
    x = 140,436.94

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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.