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Finding the Fourth Proportional to 88,581,662.40, 132,872,493.60 and 79,653,453.60

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Solution

The fourth proportional to 88,581,662.40, 132,872,493.60 and 79,653,453.60 is: 119,480,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581,662.40 : 132,872,493.60 = 79,653,453.60 : x
  2. Step 2: Convert to fraction form
    88,581,662.40/132,872,493.60 = 79,653,453.60/x
  3. Step 3: Cross multiply
    88,581,662.40x = 132,872,493.60 × 79,653,453.60
  4. Step 4: Simplify right side
    88,581,662.40x = 10,583,753,003,683,896
  5. Step 5: Solve for x
    x = 10,583,753,003,683,896/88,581,662.40
  6. Step 6: Final answer
    x = 119,480,180.40

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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.