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Finding the Fourth Proportional to 475,736.39, 713,606.96 and 120,750.51

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Solution

The fourth proportional to 475,736.39, 713,606.96 and 120,750.51 is: 181,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,736.39 : 713,606.96 = 120,750.51 : x
  2. Step 2: Convert to fraction form
    475,736.39/713,606.96 = 120,750.51/x
  3. Step 3: Cross multiply
    475,736.39x = 713,606.96 × 120,750.51
  4. Step 4: Simplify right side
    475,736.39x = 86,168,407,337.45
  5. Step 5: Solve for x
    x = 86,168,407,337.45/475,736.39
  6. Step 6: Final answer
    x = 181,126.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.