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Finding the Fourth Proportional to 99,072,595.80, 148,608,893.70 and 34,354,891.80

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Solution

The fourth proportional to 99,072,595.80, 148,608,893.70 and 34,354,891.80 is: 51,532,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,595.80 : 148,608,893.70 = 34,354,891.80 : x
  2. Step 2: Convert to fraction form
    99,072,595.80/148,608,893.70 = 34,354,891.80/x
  3. Step 3: Cross multiply
    99,072,595.80x = 148,608,893.70 × 34,354,891.80
  4. Step 4: Simplify right side
    99,072,595.80x = 5,105,442,463,581,201
  5. Step 5: Solve for x
    x = 5,105,442,463,581,201/99,072,595.80
  6. Step 6: Final answer
    x = 51,532,337.70

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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.