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Finding the Fourth Proportional to 65,339,672.22, 90,174,018.22 and 37,464,975.74

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Solution

The fourth proportional to 65,339,672.22, 90,174,018.22 and 37,464,975.74 is: 51,704,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,339,672.22 : 90,174,018.22 = 37,464,975.74 : x
  2. Step 2: Convert to fraction form
    65,339,672.22/90,174,018.22 = 37,464,975.74/x
  3. Step 3: Cross multiply
    65,339,672.22x = 90,174,018.22 × 37,464,975.74
  4. Step 4: Simplify right side
    65,339,672.22x = 3,378,367,404,990,618
  5. Step 5: Solve for x
    x = 3,378,367,404,990,618/65,339,672.22
  6. Step 6: Final answer
    x = 51,704,688.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.