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Finding the Fourth Proportional to 88,154.80, 132,361.80 and 61,975.60

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Solution

The fourth proportional to 88,154.80, 132,361.80 and 61,975.60 is: 93,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,154.80 : 132,361.80 = 61,975.60 : x
  2. Step 2: Convert to fraction form
    88,154.80/132,361.80 = 61,975.60/x
  3. Step 3: Cross multiply
    88,154.80x = 132,361.80 × 61,975.60
  4. Step 4: Simplify right side
    88,154.80x = 8,203,201,972.08
  5. Step 5: Solve for x
    x = 8,203,201,972.08/88,154.80
  6. Step 6: Final answer
    x = 93,054.51

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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.