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Finding the Fourth Proportional to 362,988.72, 544,509 and 96,747.84

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Solution

The fourth proportional to 362,988.72, 544,509 and 96,747.84 is: 145,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,988.72 : 544,509 = 96,747.84 : x
  2. Step 2: Convert to fraction form
    362,988.72/544,509 = 96,747.84/x
  3. Step 3: Cross multiply
    362,988.72x = 544,509 × 96,747.84
  4. Step 4: Simplify right side
    362,988.72x = 52,680,069,610.56
  5. Step 5: Solve for x
    x = 52,680,069,610.56/362,988.72
  6. Step 6: Final answer
    x = 145,128.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.