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Finding the Fourth Proportional to 88,130.16, 132,203.52 and 28,965.96

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Solution

The fourth proportional to 88,130.16, 132,203.52 and 28,965.96 is: 43,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130.16 : 132,203.52 = 28,965.96 : x
  2. Step 2: Convert to fraction form
    88,130.16/132,203.52 = 28,965.96/x
  3. Step 3: Cross multiply
    88,130.16x = 132,203.52 × 28,965.96
  4. Step 4: Simplify right side
    88,130.16x = 3,829,401,872.18
  5. Step 5: Solve for x
    x = 3,829,401,872.18/88,130.16
  6. Step 6: Final answer
    x = 43,451.66

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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.