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Finding the Fourth Proportional to 222,908.07, 307,613.09 and 127,416.82

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Solution

The fourth proportional to 222,908.07, 307,613.09 and 127,416.82 is: 175,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,908.07 : 307,613.09 = 127,416.82 : x
  2. Step 2: Convert to fraction form
    222,908.07/307,613.09 = 127,416.82/x
  3. Step 3: Cross multiply
    222,908.07x = 307,613.09 × 127,416.82
  4. Step 4: Simplify right side
    222,908.07x = 39,195,081,844.46
  5. Step 5: Solve for x
    x = 39,195,081,844.46/222,908.07
  6. Step 6: Final answer
    x = 175,835.18

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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.