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Finding the Fourth Proportional to 58,676,630.40, 87,944,086.80 and 29,907,957.60

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Solution

The fourth proportional to 58,676,630.40, 87,944,086.80 and 29,907,957.60 is: 44,825,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,676,630.40 : 87,944,086.80 = 29,907,957.60 : x
  2. Step 2: Convert to fraction form
    58,676,630.40/87,944,086.80 = 29,907,957.60/x
  3. Step 3: Cross multiply
    58,676,630.40x = 87,944,086.80 × 29,907,957.60
  4. Step 4: Simplify right side
    58,676,630.40x = 2,630,228,019,185,119.50
  5. Step 5: Solve for x
    x = 2,630,228,019,185,119.50/58,676,630.40
  6. Step 6: Final answer
    x = 44,825,819.09

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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.