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Finding the Fourth Proportional to 357,688.33, 536,532.61 and 133,019.44

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Solution

The fourth proportional to 357,688.33, 536,532.61 and 133,019.44 is: 199,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,688.33 : 536,532.61 = 133,019.44 : x
  2. Step 2: Convert to fraction form
    357,688.33/536,532.61 = 133,019.44/x
  3. Step 3: Cross multiply
    357,688.33x = 536,532.61 × 133,019.44
  4. Step 4: Simplify right side
    357,688.33x = 71,369,267,323.94
  5. Step 5: Solve for x
    x = 71,369,267,323.94/357,688.33
  6. Step 6: Final answer
    x = 199,529.20

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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.