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Finding the Fourth Proportional to 323,038.08, 484,665.03 and 143,099.08

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Solution

The fourth proportional to 323,038.08, 484,665.03 and 143,099.08 is: 214,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,038.08 : 484,665.03 = 143,099.08 : x
  2. Step 2: Convert to fraction form
    323,038.08/484,665.03 = 143,099.08/x
  3. Step 3: Cross multiply
    323,038.08x = 484,665.03 × 143,099.08
  4. Step 4: Simplify right side
    323,038.08x = 69,355,119,901.17
  5. Step 5: Solve for x
    x = 69,355,119,901.17/323,038.08
  6. Step 6: Final answer
    x = 214,696.42

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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.