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Finding the Fourth Proportional to 80,096,745.80, 112,390,535.80 and 80,096,745.80

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Solution

The fourth proportional to 80,096,745.80, 112,390,535.80 and 80,096,745.80 is: 112,390,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,096,745.80 : 112,390,535.80 = 80,096,745.80 : x
  2. Step 2: Convert to fraction form
    80,096,745.80/112,390,535.80 = 80,096,745.80/x
  3. Step 3: Cross multiply
    80,096,745.80x = 112,390,535.80 × 80,096,745.80
  4. Step 4: Simplify right side
    80,096,745.80x = 9,002,116,176,298,399
  5. Step 5: Solve for x
    x = 9,002,116,176,298,399/80,096,745.80
  6. Step 6: Final answer
    x = 112,390,535.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.