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Finding the Fourth Proportional to 79,531,488.82, 119,296,034.43 and 35,781,350.86

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Solution

The fourth proportional to 79,531,488.82, 119,296,034.43 and 35,781,350.86 is: 53,671,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,531,488.82 : 119,296,034.43 = 35,781,350.86 : x
  2. Step 2: Convert to fraction form
    79,531,488.82/119,296,034.43 = 35,781,350.86/x
  3. Step 3: Cross multiply
    79,531,488.82x = 119,296,034.43 × 35,781,350.86
  4. Step 4: Simplify right side
    79,531,488.82x = 4,268,573,264,146,470.50
  5. Step 5: Solve for x
    x = 4,268,573,264,146,470.50/79,531,488.82
  6. Step 6: Final answer
    x = 53,671,486.95

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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.