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Finding the Fourth Proportional to 69,359,101.10, 104,038,651.65 and 65,107,573.10

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Solution

The fourth proportional to 69,359,101.10, 104,038,651.65 and 65,107,573.10 is: 97,661,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,359,101.10 : 104,038,651.65 = 65,107,573.10 : x
  2. Step 2: Convert to fraction form
    69,359,101.10/104,038,651.65 = 65,107,573.10/x
  3. Step 3: Cross multiply
    69,359,101.10x = 104,038,651.65 × 65,107,573.10
  4. Step 4: Simplify right side
    69,359,101.10x = 6,773,704,117,527,811
  5. Step 5: Solve for x
    x = 6,773,704,117,527,811/69,359,101.10
  6. Step 6: Final answer
    x = 97,661,359.65

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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.