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Finding the Fourth Proportional to 91,464.60, 137,196.90 and 44,808.60

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Solution

The fourth proportional to 91,464.60, 137,196.90 and 44,808.60 is: 67,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,464.60 : 137,196.90 = 44,808.60 : x
  2. Step 2: Convert to fraction form
    91,464.60/137,196.90 = 44,808.60/x
  3. Step 3: Cross multiply
    91,464.60x = 137,196.90 × 44,808.60
  4. Step 4: Simplify right side
    91,464.60x = 6,147,601,013.34
  5. Step 5: Solve for x
    x = 6,147,601,013.34/91,464.60
  6. Step 6: Final answer
    x = 67,212.90

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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.