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Finding the Fourth Proportional to 232,505.52, 320,835.48 and 130,507.61

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Solution

The fourth proportional to 232,505.52, 320,835.48 and 130,507.61 is: 180,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,505.52 : 320,835.48 = 130,507.61 : x
  2. Step 2: Convert to fraction form
    232,505.52/320,835.48 = 130,507.61/x
  3. Step 3: Cross multiply
    232,505.52x = 320,835.48 × 130,507.61
  4. Step 4: Simplify right side
    232,505.52x = 41,871,470,093.83
  5. Step 5: Solve for x
    x = 41,871,470,093.83/232,505.52
  6. Step 6: Final answer
    x = 180,088.07

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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.