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Finding the Fourth Proportional to 181,458,081.30, 272,187,121.95 and 181,458,081.30

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Solution

The fourth proportional to 181,458,081.30, 272,187,121.95 and 181,458,081.30 is: 272,187,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,458,081.30 : 272,187,121.95 = 181,458,081.30 : x
  2. Step 2: Convert to fraction form
    181,458,081.30/272,187,121.95 = 181,458,081.30/x
  3. Step 3: Cross multiply
    181,458,081.30x = 272,187,121.95 × 181,458,081.30
  4. Step 4: Simplify right side
    181,458,081.30x = 49,390,552,903,616,112
  5. Step 5: Solve for x
    x = 49,390,552,903,616,112/181,458,081.30
  6. Step 6: Final answer
    x = 272,187,121.95

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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.