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Finding the Fourth Proportional to 80,096,775.30, 112,390,577.10 and 80,096,775.30

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Solution

The fourth proportional to 80,096,775.30, 112,390,577.10 and 80,096,775.30 is: 112,390,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,096,775.30 : 112,390,577.10 = 80,096,775.30 : x
  2. Step 2: Convert to fraction form
    80,096,775.30/112,390,577.10 = 80,096,775.30/x
  3. Step 3: Cross multiply
    80,096,775.30x = 112,390,577.10 × 80,096,775.30
  4. Step 4: Simplify right side
    80,096,775.30x = 9,002,122,799,816,025
  5. Step 5: Solve for x
    x = 9,002,122,799,816,025/80,096,775.30
  6. Step 6: Final answer
    x = 112,390,577.10

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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.