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Finding the Fourth Proportional to 225,995.51, 311,756.05 and 134,061.32

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Solution

The fourth proportional to 225,995.51, 311,756.05 and 134,061.32 is: 184,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,995.51 : 311,756.05 = 134,061.32 : x
  2. Step 2: Convert to fraction form
    225,995.51/311,756.05 = 134,061.32/x
  3. Step 3: Cross multiply
    225,995.51x = 311,756.05 × 134,061.32
  4. Step 4: Simplify right side
    225,995.51x = 41,794,426,189.78
  5. Step 5: Solve for x
    x = 41,794,426,189.78/225,995.51
  6. Step 6: Final answer
    x = 184,934.77

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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.