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Finding the Fourth Proportional to 88,077.75, 132,130.38 and 28,899.96

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Solution

The fourth proportional to 88,077.75, 132,130.38 and 28,899.96 is: 43,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,077.75 : 132,130.38 = 28,899.96 : x
  2. Step 2: Convert to fraction form
    88,077.75/132,130.38 = 28,899.96/x
  3. Step 3: Cross multiply
    88,077.75x = 132,130.38 × 28,899.96
  4. Step 4: Simplify right side
    88,077.75x = 3,818,562,696.78
  5. Step 5: Solve for x
    x = 3,818,562,696.78/88,077.75
  6. Step 6: Final answer
    x = 43,354.45

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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.