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Finding the Fourth Proportional to 68,616,615.20, 102,924,922.80 and 59,050,677.20

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Solution

The fourth proportional to 68,616,615.20, 102,924,922.80 and 59,050,677.20 is: 88,576,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,616,615.20 : 102,924,922.80 = 59,050,677.20 : x
  2. Step 2: Convert to fraction form
    68,616,615.20/102,924,922.80 = 59,050,677.20/x
  3. Step 3: Cross multiply
    68,616,615.20x = 102,924,922.80 × 59,050,677.20
  4. Step 4: Simplify right side
    68,616,615.20x = 6,077,786,392,097,720
  5. Step 5: Solve for x
    x = 6,077,786,392,097,720/68,616,615.20
  6. Step 6: Final answer
    x = 88,576,015.80

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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.