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Finding the Fourth Proportional to 181,978,588.80, 272,967,883.20 and 59,156,668.80

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Solution

The fourth proportional to 181,978,588.80, 272,967,883.20 and 59,156,668.80 is: 88,735,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,978,588.80 : 272,967,883.20 = 59,156,668.80 : x
  2. Step 2: Convert to fraction form
    181,978,588.80/272,967,883.20 = 59,156,668.80/x
  3. Step 3: Cross multiply
    181,978,588.80x = 272,967,883.20 × 59,156,668.80
  4. Step 4: Simplify right side
    181,978,588.80x = 16,147,870,659,499,482
  5. Step 5: Solve for x
    x = 16,147,870,659,499,482/181,978,588.80
  6. Step 6: Final answer
    x = 88,735,003.20

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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.