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Finding the Fourth Proportional to 365,533.26, 548,307.40 and 112,813.90

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Solution

The fourth proportional to 365,533.26, 548,307.40 and 112,813.90 is: 169,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,533.26 : 548,307.40 = 112,813.90 : x
  2. Step 2: Convert to fraction form
    365,533.26/548,307.40 = 112,813.90/x
  3. Step 3: Cross multiply
    365,533.26x = 548,307.40 × 112,813.90
  4. Step 4: Simplify right side
    365,533.26x = 61,856,697,019.26
  5. Step 5: Solve for x
    x = 61,856,697,019.26/365,533.26
  6. Step 6: Final answer
    x = 169,223.17

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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.