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Finding the Fourth Proportional to 189,602.24, 261,628.71 and 104,714.24

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Solution

The fourth proportional to 189,602.24, 261,628.71 and 104,714.24 is: 144,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,602.24 : 261,628.71 = 104,714.24 : x
  2. Step 2: Convert to fraction form
    189,602.24/261,628.71 = 104,714.24/x
  3. Step 3: Cross multiply
    189,602.24x = 261,628.71 × 104,714.24
  4. Step 4: Simplify right side
    189,602.24x = 27,396,251,529.83
  5. Step 5: Solve for x
    x = 27,396,251,529.83/189,602.24
  6. Step 6: Final answer
    x = 144,493.29

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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.