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Finding the Fourth Proportional to 79,998,536.34, 110,406,939.48 and 45,193,468.74

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Solution

The fourth proportional to 79,998,536.34, 110,406,939.48 and 45,193,468.74 is: 62,372,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,998,536.34 : 110,406,939.48 = 45,193,468.74 : x
  2. Step 2: Convert to fraction form
    79,998,536.34/110,406,939.48 = 45,193,468.74/x
  3. Step 3: Cross multiply
    79,998,536.34x = 110,406,939.48 × 45,193,468.74
  4. Step 4: Simplify right side
    79,998,536.34x = 4,989,672,568,068,452
  5. Step 5: Solve for x
    x = 4,989,672,568,068,452/79,998,536.34
  6. Step 6: Final answer
    x = 62,372,048.24

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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.