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Finding the Fourth Proportional to 157,078.69, 235,716.46 and 63,584.44

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Solution

The fourth proportional to 157,078.69, 235,716.46 and 63,584.44 is: 95,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,078.69 : 235,716.46 = 63,584.44 : x
  2. Step 2: Convert to fraction form
    157,078.69/235,716.46 = 63,584.44/x
  3. Step 3: Cross multiply
    157,078.69x = 235,716.46 × 63,584.44
  4. Step 4: Simplify right side
    157,078.69x = 14,987,898,359.63
  5. Step 5: Solve for x
    x = 14,987,898,359.63/157,078.69
  6. Step 6: Final answer
    x = 95,416.50

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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.