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Finding the Fourth Proportional to 252,000,718.80, 377,702,479.80 and 106,433,998.80

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Solution

The fourth proportional to 252,000,718.80, 377,702,479.80 and 106,433,998.80 is: 159,524,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,000,718.80 : 377,702,479.80 = 106,433,998.80 : x
  2. Step 2: Convert to fraction form
    252,000,718.80/377,702,479.80 = 106,433,998.80/x
  3. Step 3: Cross multiply
    252,000,718.80x = 377,702,479.80 × 106,433,998.80
  4. Step 4: Simplify right side
    252,000,718.80x = 40,200,385,281,790,224
  5. Step 5: Solve for x
    x = 40,200,385,281,790,224/252,000,718.80
  6. Step 6: Final answer
    x = 159,524,883.39

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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.