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Finding the Fourth Proportional to 301,897.48, 452,911.56 and 91,551.28

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Solution

The fourth proportional to 301,897.48, 452,911.56 and 91,551.28 is: 137,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,897.48 : 452,911.56 = 91,551.28 : x
  2. Step 2: Convert to fraction form
    301,897.48/452,911.56 = 91,551.28/x
  3. Step 3: Cross multiply
    301,897.48x = 452,911.56 × 91,551.28
  4. Step 4: Simplify right side
    301,897.48x = 41,464,633,044.80
  5. Step 5: Solve for x
    x = 41,464,633,044.80/301,897.48
  6. Step 6: Final answer
    x = 137,346.73

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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.