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Finding the Fourth Proportional to 365,533.31, 548,307.48 and 112,813.97

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Solution

The fourth proportional to 365,533.31, 548,307.48 and 112,813.97 is: 169,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,533.31 : 548,307.48 = 112,813.97 : x
  2. Step 2: Convert to fraction form
    365,533.31/548,307.48 = 112,813.97/x
  3. Step 3: Cross multiply
    365,533.31x = 548,307.48 × 112,813.97
  4. Step 4: Simplify right side
    365,533.31x = 61,856,740,646.43
  5. Step 5: Solve for x
    x = 61,856,740,646.43/365,533.31
  6. Step 6: Final answer
    x = 169,223.27

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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.