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Finding the Fourth Proportional to 91,835.50, 137,727.17 and 35,663.62

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Solution

The fourth proportional to 91,835.50, 137,727.17 and 35,663.62 is: 53,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,835.50 : 137,727.17 = 35,663.62 : x
  2. Step 2: Convert to fraction form
    91,835.50/137,727.17 = 35,663.62/x
  3. Step 3: Cross multiply
    91,835.50x = 137,727.17 × 35,663.62
  4. Step 4: Simplify right side
    91,835.50x = 4,911,848,931.92
  5. Step 5: Solve for x
    x = 4,911,848,931.92/91,835.50
  6. Step 6: Final answer
    x = 53,485.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.