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Finding the Fourth Proportional to 62,289.88, 93,449.70 and 20,170.01

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Solution

The fourth proportional to 62,289.88, 93,449.70 and 20,170.01 is: 30,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,289.88 : 93,449.70 = 20,170.01 : x
  2. Step 2: Convert to fraction form
    62,289.88/93,449.70 = 20,170.01/x
  3. Step 3: Cross multiply
    62,289.88x = 93,449.70 × 20,170.01
  4. Step 4: Simplify right side
    62,289.88x = 1,884,881,383.50
  5. Step 5: Solve for x
    x = 1,884,881,383.50/62,289.88
  6. Step 6: Final answer
    x = 30,259.83

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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.