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Finding the Fourth Proportional to 232,365.17, 320,688.52 and 130,418.17

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Solution

The fourth proportional to 232,365.17, 320,688.52 and 130,418.17 is: 179,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,365.17 : 320,688.52 = 130,418.17 : x
  2. Step 2: Convert to fraction form
    232,365.17/320,688.52 = 130,418.17/x
  3. Step 3: Cross multiply
    232,365.17x = 320,688.52 × 130,418.17
  4. Step 4: Simplify right side
    232,365.17x = 41,823,608,790.64
  5. Step 5: Solve for x
    x = 41,823,608,790.64/232,365.17
  6. Step 6: Final answer
    x = 179,990.87

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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.