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Finding the Fourth Proportional to 83,776.80, 115,608.42 and 46,050.96

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Solution

The fourth proportional to 83,776.80, 115,608.42 and 46,050.96 is: 63,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,776.80 : 115,608.42 = 46,050.96 : x
  2. Step 2: Convert to fraction form
    83,776.80/115,608.42 = 46,050.96/x
  3. Step 3: Cross multiply
    83,776.80x = 115,608.42 × 46,050.96
  4. Step 4: Simplify right side
    83,776.80x = 5,323,878,725.08
  5. Step 5: Solve for x
    x = 5,323,878,725.08/83,776.80
  6. Step 6: Final answer
    x = 63,548.37

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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.