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Finding the Fourth Proportional to 64,191,520.67, 88,584,298.53 and 36,690,039.41

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Solution

The fourth proportional to 64,191,520.67, 88,584,298.53 and 36,690,039.41 is: 50,632,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,191,520.67 : 88,584,298.53 = 36,690,039.41 : x
  2. Step 2: Convert to fraction form
    64,191,520.67/88,584,298.53 = 36,690,039.41/x
  3. Step 3: Cross multiply
    64,191,520.67x = 88,584,298.53 × 36,690,039.41
  4. Step 4: Simplify right side
    64,191,520.67x = 3,250,161,404,172,905
  5. Step 5: Solve for x
    x = 3,250,161,404,172,905/64,191,520.67
  6. Step 6: Final answer
    x = 50,632,254.39

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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.