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Finding the Fourth Proportional to 275,658,797.88, 413,552,519.28 and 91,412,795.88

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Solution

The fourth proportional to 275,658,797.88, 413,552,519.28 and 91,412,795.88 is: 137,140,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,658,797.88 : 413,552,519.28 = 91,412,795.88 : x
  2. Step 2: Convert to fraction form
    275,658,797.88/413,552,519.28 = 91,412,795.88/x
  3. Step 3: Cross multiply
    275,658,797.88x = 413,552,519.28 × 91,412,795.88
  4. Step 4: Simplify right side
    275,658,797.88x = 37,803,992,030,602,400
  5. Step 5: Solve for x
    x = 37,803,992,030,602,400/275,658,797.88
  6. Step 6: Final answer
    x = 137,140,524.16

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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.