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Finding the Fourth Proportional to 329,136.93, 493,799.96 and 136,973.95

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Solution

The fourth proportional to 329,136.93, 493,799.96 and 136,973.95 is: 205,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,136.93 : 493,799.96 = 136,973.95 : x
  2. Step 2: Convert to fraction form
    329,136.93/493,799.96 = 136,973.95/x
  3. Step 3: Cross multiply
    329,136.93x = 493,799.96 × 136,973.95
  4. Step 4: Simplify right side
    329,136.93x = 67,637,732,916.60
  5. Step 5: Solve for x
    x = 67,637,732,916.60/329,136.93
  6. Step 6: Final answer
    x = 205,500.29

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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.