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Finding the Fourth Proportional to 83,903.49, 115,786.82 and 46,177.74

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Solution

The fourth proportional to 83,903.49, 115,786.82 and 46,177.74 is: 63,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,903.49 : 115,786.82 = 46,177.74 : x
  2. Step 2: Convert to fraction form
    83,903.49/115,786.82 = 46,177.74/x
  3. Step 3: Cross multiply
    83,903.49x = 115,786.82 × 46,177.74
  4. Step 4: Simplify right side
    83,903.49x = 5,346,773,438.50
  5. Step 5: Solve for x
    x = 5,346,773,438.50/83,903.49
  6. Step 6: Final answer
    x = 63,725.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.