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Finding the Fourth Proportional to 57,991,706.80, 87,000,001.80 and 17,606,273.20

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Solution

The fourth proportional to 57,991,706.80, 87,000,001.80 and 17,606,273.20 is: 26,413,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991,706.80 : 87,000,001.80 = 17,606,273.20 : x
  2. Step 2: Convert to fraction form
    57,991,706.80/87,000,001.80 = 17,606,273.20/x
  3. Step 3: Cross multiply
    57,991,706.80x = 87,000,001.80 × 17,606,273.20
  4. Step 4: Simplify right side
    57,991,706.80x = 1,531,745,800,091,291.75
  5. Step 5: Solve for x
    x = 1,531,745,800,091,291.75/57,991,706.80
  6. Step 6: Final answer
    x = 26,413,187.07

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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.