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Finding the Fourth Proportional to 83,988.01, 115,903.42 and 46,262.26

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Solution

The fourth proportional to 83,988.01, 115,903.42 and 46,262.26 is: 63,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,988.01 : 115,903.42 = 46,262.26 : x
  2. Step 2: Convert to fraction form
    83,988.01/115,903.42 = 46,262.26/x
  3. Step 3: Cross multiply
    83,988.01x = 115,903.42 × 46,262.26
  4. Step 4: Simplify right side
    83,988.01x = 5,361,954,150.93
  5. Step 5: Solve for x
    x = 5,361,954,150.93/83,988.01
  6. Step 6: Final answer
    x = 63,841.90

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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.