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Finding the Fourth Proportional to 91,999.57, 137,934.77 and 35,792.31

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Solution

The fourth proportional to 91,999.57, 137,934.77 and 35,792.31 is: 53,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,999.57 : 137,934.77 = 35,792.31 : x
  2. Step 2: Convert to fraction form
    91,999.57/137,934.77 = 35,792.31/x
  3. Step 3: Cross multiply
    91,999.57x = 137,934.77 × 35,792.31
  4. Step 4: Simplify right side
    91,999.57x = 4,937,003,524.09
  5. Step 5: Solve for x
    x = 4,937,003,524.09/91,999.57
  6. Step 6: Final answer
    x = 53,663.33

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1.5x scale

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.