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Finding the Fourth Proportional to 88,407.10, 132,611.10 and 21,848.59

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Solution

The fourth proportional to 88,407.10, 132,611.10 and 21,848.59 is: 32,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407.10 : 132,611.10 = 21,848.59 : x
  2. Step 2: Convert to fraction form
    88,407.10/132,611.10 = 21,848.59/x
  3. Step 3: Cross multiply
    88,407.10x = 132,611.10 × 21,848.59
  4. Step 4: Simplify right side
    88,407.10x = 2,897,365,553.35
  5. Step 5: Solve for x
    x = 2,897,365,553.35/88,407.10
  6. Step 6: Final answer
    x = 32,773.00

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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.