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Finding the Fourth Proportional to 112,337,284.80, 168,253,984.80 and 92,181,892.80

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Solution

The fourth proportional to 112,337,284.80, 168,253,984.80 and 92,181,892.80 is: 138,066,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,337,284.80 : 168,253,984.80 = 92,181,892.80 : x
  2. Step 2: Convert to fraction form
    112,337,284.80/168,253,984.80 = 92,181,892.80/x
  3. Step 3: Cross multiply
    112,337,284.80x = 168,253,984.80 × 92,181,892.80
  4. Step 4: Simplify right side
    112,337,284.80x = 15,509,970,790,006,430
  5. Step 5: Solve for x
    x = 15,509,970,790,006,430/112,337,284.80
  6. Step 6: Final answer
    x = 138,066,099.94

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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.