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Finding the Fourth Proportional to 320,032.08, 480,043.08 and 83,369.52

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Solution

The fourth proportional to 320,032.08, 480,043.08 and 83,369.52 is: 125,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,032.08 : 480,043.08 = 83,369.52 : x
  2. Step 2: Convert to fraction form
    320,032.08/480,043.08 = 83,369.52/x
  3. Step 3: Cross multiply
    320,032.08x = 480,043.08 × 83,369.52
  4. Step 4: Simplify right side
    320,032.08x = 40,020,961,158.92
  5. Step 5: Solve for x
    x = 40,020,961,158.92/320,032.08
  6. Step 6: Final answer
    x = 125,052.97

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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.