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Finding the Fourth Proportional to 222,854.72, 307,534.24 and 122,251.84

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Solution

The fourth proportional to 222,854.72, 307,534.24 and 122,251.84 is: 168,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,854.72 : 307,534.24 = 122,251.84 : x
  2. Step 2: Convert to fraction form
    222,854.72/307,534.24 = 122,251.84/x
  3. Step 3: Cross multiply
    222,854.72x = 307,534.24 × 122,251.84
  4. Step 4: Simplify right side
    222,854.72x = 37,596,626,703.00
  5. Step 5: Solve for x
    x = 37,596,626,703.00/222,854.72
  6. Step 6: Final answer
    x = 168,704.65

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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.