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Finding the Fourth Proportional to 73,672,468.40, 110,296,126.20 and 65,169,412.40

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Solution

The fourth proportional to 73,672,468.40, 110,296,126.20 and 65,169,412.40 is: 97,566,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,672,468.40 : 110,296,126.20 = 65,169,412.40 : x
  2. Step 2: Convert to fraction form
    73,672,468.40/110,296,126.20 = 65,169,412.40/x
  3. Step 3: Cross multiply
    73,672,468.40x = 110,296,126.20 × 65,169,412.40
  4. Step 4: Simplify right side
    73,672,468.40x = 7,187,933,734,450,245
  5. Step 5: Solve for x
    x = 7,187,933,734,450,245/73,672,468.40
  6. Step 6: Final answer
    x = 97,566,077.13

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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.