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Finding the Fourth Proportional to 207,062.22, 310,600.28 and 57,289.98

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Solution

The fourth proportional to 207,062.22, 310,600.28 and 57,289.98 is: 85,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,062.22 : 310,600.28 = 57,289.98 : x
  2. Step 2: Convert to fraction form
    207,062.22/310,600.28 = 57,289.98/x
  3. Step 3: Cross multiply
    207,062.22x = 310,600.28 × 57,289.98
  4. Step 4: Simplify right side
    207,062.22x = 17,794,283,829.19
  5. Step 5: Solve for x
    x = 17,794,283,829.19/207,062.22
  6. Step 6: Final answer
    x = 85,936.89

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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.