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Finding the Fourth Proportional to 232,879.30, 321,407.48 and 130,913.16

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Solution

The fourth proportional to 232,879.30, 321,407.48 and 130,913.16 is: 180,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,879.30 : 321,407.48 = 130,913.16 : x
  2. Step 2: Convert to fraction form
    232,879.30/321,407.48 = 130,913.16/x
  3. Step 3: Cross multiply
    232,879.30x = 321,407.48 × 130,913.16
  4. Step 4: Simplify right side
    232,879.30x = 42,076,468,854.44
  5. Step 5: Solve for x
    x = 42,076,468,854.44/232,879.30
  6. Step 6: Final answer
    x = 180,679.30

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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.