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Finding the Fourth Proportional to 58,291,996.80, 87,493,982.40 and 29,570,563.20

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Solution

The fourth proportional to 58,291,996.80, 87,493,982.40 and 29,570,563.20 is: 44,384,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,291,996.80 : 87,493,982.40 = 29,570,563.20 : x
  2. Step 2: Convert to fraction form
    58,291,996.80/87,493,982.40 = 29,570,563.20/x
  3. Step 3: Cross multiply
    58,291,996.80x = 87,493,982.40 × 29,570,563.20
  4. Step 4: Simplify right side
    58,291,996.80x = 2,587,246,336,178,888
  5. Step 5: Solve for x
    x = 2,587,246,336,178,888/58,291,996.80
  6. Step 6: Final answer
    x = 44,384,246.18

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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.