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Finding the Fourth Proportional to 88,102.84, 132,153.12 and 21,543.52

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Solution

The fourth proportional to 88,102.84, 132,153.12 and 21,543.52 is: 32,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,102.84 : 132,153.12 = 21,543.52 : x
  2. Step 2: Convert to fraction form
    88,102.84/132,153.12 = 21,543.52/x
  3. Step 3: Cross multiply
    88,102.84x = 132,153.12 × 21,543.52
  4. Step 4: Simplify right side
    88,102.84x = 2,847,043,383.78
  5. Step 5: Solve for x
    x = 2,847,043,383.78/88,102.84
  6. Step 6: Final answer
    x = 32,315.00

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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.