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Finding the Fourth Proportional to 91,908.37, 137,827.02 and 35,740.90

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Solution

The fourth proportional to 91,908.37, 137,827.02 and 35,740.90 is: 53,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,908.37 : 137,827.02 = 35,740.90 : x
  2. Step 2: Convert to fraction form
    91,908.37/137,827.02 = 35,740.90/x
  3. Step 3: Cross multiply
    91,908.37x = 137,827.02 × 35,740.90
  4. Step 4: Simplify right side
    91,908.37x = 4,926,061,069.11
  5. Step 5: Solve for x
    x = 4,926,061,069.11/91,908.37
  6. Step 6: Final answer
    x = 53,597.52

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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.