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Finding the Fourth Proportional to 107,874.01, 148,866.87 and 60,130.36

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Solution

The fourth proportional to 107,874.01, 148,866.87 and 60,130.36 is: 82,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,874.01 : 148,866.87 = 60,130.36 : x
  2. Step 2: Convert to fraction form
    107,874.01/148,866.87 = 60,130.36/x
  3. Step 3: Cross multiply
    107,874.01x = 148,866.87 × 60,130.36
  4. Step 4: Simplify right side
    107,874.01x = 8,951,418,485.17
  5. Step 5: Solve for x
    x = 8,951,418,485.17/107,874.01
  6. Step 6: Final answer
    x = 82,980.31

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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.