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Finding the Fourth Proportional to 226,178.00, 312,103.54 and 130,682.64

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Solution

The fourth proportional to 226,178.00, 312,103.54 and 130,682.64 is: 180,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,178.00 : 312,103.54 = 130,682.64 : x
  2. Step 2: Convert to fraction form
    226,178.00/312,103.54 = 130,682.64/x
  3. Step 3: Cross multiply
    226,178.00x = 312,103.54 × 130,682.64
  4. Step 4: Simplify right side
    226,178.00x = 40,786,513,907.13
  5. Step 5: Solve for x
    x = 40,786,513,907.13/226,178.00
  6. Step 6: Final answer
    x = 180,329.28

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1.5x scale

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.