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Finding the Fourth Proportional to 323,039.08, 484,666.53 and 143,100.08

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Solution

The fourth proportional to 323,039.08, 484,666.53 and 143,100.08 is: 214,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,039.08 : 484,666.53 = 143,100.08 : x
  2. Step 2: Convert to fraction form
    323,039.08/484,666.53 = 143,100.08/x
  3. Step 3: Cross multiply
    323,039.08x = 484,666.53 × 143,100.08
  4. Step 4: Simplify right side
    323,039.08x = 69,355,819,216.32
  5. Step 5: Solve for x
    x = 69,355,819,216.32/323,039.08
  6. Step 6: Final answer
    x = 214,697.92

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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.