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Finding the Fourth Proportional to 104,991.48, 157,309.02 and 63,351

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Solution

The fourth proportional to 104,991.48, 157,309.02 and 63,351 is: 94,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,991.48 : 157,309.02 = 63,351 : x
  2. Step 2: Convert to fraction form
    104,991.48/157,309.02 = 63,351/x
  3. Step 3: Cross multiply
    104,991.48x = 157,309.02 × 63,351
  4. Step 4: Simplify right side
    104,991.48x = 9,965,683,726.02
  5. Step 5: Solve for x
    x = 9,965,683,726.02/104,991.48
  6. Step 6: Final answer
    x = 94,918.98

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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.