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Finding the Fourth Proportional to 329,127.52, 493,589.16 and 118,738.08

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Solution

The fourth proportional to 329,127.52, 493,589.16 and 118,738.08 is: 178,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,127.52 : 493,589.16 = 118,738.08 : x
  2. Step 2: Convert to fraction form
    329,127.52/493,589.16 = 118,738.08/x
  3. Step 3: Cross multiply
    329,127.52x = 493,589.16 × 118,738.08
  4. Step 4: Simplify right side
    329,127.52x = 58,607,829,167.21
  5. Step 5: Solve for x
    x = 58,607,829,167.21/329,127.52
  6. Step 6: Final answer
    x = 178,070.28

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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.