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Finding the Fourth Proportional to 107,584, 148,469.56 and 59,187.96

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Solution

The fourth proportional to 107,584, 148,469.56 and 59,187.96 is: 81,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,584 : 148,469.56 = 59,187.96 : x
  2. Step 2: Convert to fraction form
    107,584/148,469.56 = 59,187.96/x
  3. Step 3: Cross multiply
    107,584x = 148,469.56 × 59,187.96
  4. Step 4: Simplify right side
    107,584x = 8,787,610,378.50
  5. Step 5: Solve for x
    x = 8,787,610,378.50/107,584
  6. Step 6: Final answer
    x = 81,681.39

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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.