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Finding the Fourth Proportional to 296,139.39, 408,671.93 and 167,077.69

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Solution

The fourth proportional to 296,139.39, 408,671.93 and 167,077.69 is: 230,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,139.39 : 408,671.93 = 167,077.69 : x
  2. Step 2: Convert to fraction form
    296,139.39/408,671.93 = 167,077.69/x
  3. Step 3: Cross multiply
    296,139.39x = 408,671.93 × 167,077.69
  4. Step 4: Simplify right side
    296,139.39x = 68,279,961,428.26
  5. Step 5: Solve for x
    x = 68,279,961,428.26/296,139.39
  6. Step 6: Final answer
    x = 230,566.97

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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.