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Finding the Fourth Proportional to 325,337.64, 448,961.29 and 180,129.51

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Solution

The fourth proportional to 325,337.64, 448,961.29 and 180,129.51 is: 248,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,337.64 : 448,961.29 = 180,129.51 : x
  2. Step 2: Convert to fraction form
    325,337.64/448,961.29 = 180,129.51/x
  3. Step 3: Cross multiply
    325,337.64x = 448,961.29 × 180,129.51
  4. Step 4: Simplify right side
    325,337.64x = 80,871,177,176.67
  5. Step 5: Solve for x
    x = 80,871,177,176.67/325,337.64
  6. Step 6: Final answer
    x = 248,576.15

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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.