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Finding the Fourth Proportional to 88,579.42, 132,905.42 and 65,006.90

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Solution

The fourth proportional to 88,579.42, 132,905.42 and 65,006.90 is: 97,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579.42 : 132,905.42 = 65,006.90 : x
  2. Step 2: Convert to fraction form
    88,579.42/132,905.42 = 65,006.90/x
  3. Step 3: Cross multiply
    88,579.42x = 132,905.42 × 65,006.90
  4. Step 4: Simplify right side
    88,579.42x = 8,639,769,347.40
  5. Step 5: Solve for x
    x = 8,639,769,347.40/88,579.42
  6. Step 6: Final answer
    x = 97,536.98

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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.