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Finding the Fourth Proportional to 329,124.63, 493,662.33 and 118,762.58

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Solution

The fourth proportional to 329,124.63, 493,662.33 and 118,762.58 is: 178,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,124.63 : 493,662.33 = 118,762.58 : x
  2. Step 2: Convert to fraction form
    329,124.63/493,662.33 = 118,762.58/x
  3. Step 3: Cross multiply
    329,124.63x = 493,662.33 × 118,762.58
  4. Step 4: Simplify right side
    329,124.63x = 58,628,609,491.30
  5. Step 5: Solve for x
    x = 58,628,609,491.30/329,124.63
  6. Step 6: Final answer
    x = 178,134.98

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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.