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Finding the Fourth Proportional to 88,117,905.80, 132,176,858.70 and 88,117,905.80

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Solution

The fourth proportional to 88,117,905.80, 132,176,858.70 and 88,117,905.80 is: 132,176,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,117,905.80 : 132,176,858.70 = 88,117,905.80 : x
  2. Step 2: Convert to fraction form
    88,117,905.80/132,176,858.70 = 88,117,905.80/x
  3. Step 3: Cross multiply
    88,117,905.80x = 132,176,858.70 × 88,117,905.80
  4. Step 4: Simplify right side
    88,117,905.80x = 11,647,147,983,866,510
  5. Step 5: Solve for x
    x = 11,647,147,983,866,510/88,117,905.80
  6. Step 6: Final answer
    x = 132,176,858.70

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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.