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Finding the Fourth Proportional to 225,298.97, 310,891.48 and 134,636.89

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Solution

The fourth proportional to 225,298.97, 310,891.48 and 134,636.89 is: 185,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,298.97 : 310,891.48 = 134,636.89 : x
  2. Step 2: Convert to fraction form
    225,298.97/310,891.48 = 134,636.89/x
  3. Step 3: Cross multiply
    225,298.97x = 310,891.48 × 134,636.89
  4. Step 4: Simplify right side
    225,298.97x = 41,857,461,321.51
  5. Step 5: Solve for x
    x = 41,857,461,321.51/225,298.97
  6. Step 6: Final answer
    x = 185,786.30

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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.