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Finding the Fourth Proportional to 88,022.80, 132,053.40 and 28,848.40

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Solution

The fourth proportional to 88,022.80, 132,053.40 and 28,848.40 is: 43,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,022.80 : 132,053.40 = 28,848.40 : x
  2. Step 2: Convert to fraction form
    88,022.80/132,053.40 = 28,848.40/x
  3. Step 3: Cross multiply
    88,022.80x = 132,053.40 × 28,848.40
  4. Step 4: Simplify right side
    88,022.80x = 3,809,529,304.56
  5. Step 5: Solve for x
    x = 3,809,529,304.56/88,022.80
  6. Step 6: Final answer
    x = 43,278.89

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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.