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Finding the Fourth Proportional to 291,572.52, 402,362.46 and 164,240.52

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Solution

The fourth proportional to 291,572.52, 402,362.46 and 164,240.52 is: 226,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,572.52 : 402,362.46 = 164,240.52 : x
  2. Step 2: Convert to fraction form
    291,572.52/402,362.46 = 164,240.52/x
  3. Step 3: Cross multiply
    291,572.52x = 402,362.46 × 164,240.52
  4. Step 4: Simplify right side
    291,572.52x = 66,084,219,658.88
  5. Step 5: Solve for x
    x = 66,084,219,658.88/291,572.52
  6. Step 6: Final answer
    x = 226,647.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.