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Finding the Fourth Proportional to 143,251,036.65, 214,876,554.98 and 143,251,036.65

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Solution

The fourth proportional to 143,251,036.65, 214,876,554.98 and 143,251,036.65 is: 214,876,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,251,036.65 : 214,876,554.98 = 143,251,036.65 : x
  2. Step 2: Convert to fraction form
    143,251,036.65/214,876,554.98 = 143,251,036.65/x
  3. Step 3: Cross multiply
    143,251,036.65x = 214,876,554.98 × 143,251,036.65
  4. Step 4: Simplify right side
    143,251,036.65x = 30,781,289,251,949,464
  5. Step 5: Solve for x
    x = 30,781,289,251,949,464/143,251,036.65
  6. Step 6: Final answer
    x = 214,876,554.98

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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.