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Finding the Fourth Proportional to 365,772.68, 548,683.32 and 141,135.92

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Solution

The fourth proportional to 365,772.68, 548,683.32 and 141,135.92 is: 211,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,772.68 : 548,683.32 = 141,135.92 : x
  2. Step 2: Convert to fraction form
    365,772.68/548,683.32 = 141,135.92/x
  3. Step 3: Cross multiply
    365,772.68x = 548,683.32 × 141,135.92
  4. Step 4: Simplify right side
    365,772.68x = 77,438,925,156.85
  5. Step 5: Solve for x
    x = 77,438,925,156.85/365,772.68
  6. Step 6: Final answer
    x = 211,713.26

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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.