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Finding the Fourth Proportional to 88,041.96, 132,065.10 and 28,866.60

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Solution

The fourth proportional to 88,041.96, 132,065.10 and 28,866.60 is: 43,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,041.96 : 132,065.10 = 28,866.60 : x
  2. Step 2: Convert to fraction form
    88,041.96/132,065.10 = 28,866.60/x
  3. Step 3: Cross multiply
    88,041.96x = 132,065.10 × 28,866.60
  4. Step 4: Simplify right side
    88,041.96x = 3,812,270,415.66
  5. Step 5: Solve for x
    x = 3,812,270,415.66/88,041.96
  6. Step 6: Final answer
    x = 43,300.61

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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.