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Finding the Fourth Proportional to 91,630.72, 137,475.24 and 44,858.08

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Solution

The fourth proportional to 91,630.72, 137,475.24 and 44,858.08 is: 67,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,630.72 : 137,475.24 = 44,858.08 : x
  2. Step 2: Convert to fraction form
    91,630.72/137,475.24 = 44,858.08/x
  3. Step 3: Cross multiply
    91,630.72x = 137,475.24 × 44,858.08
  4. Step 4: Simplify right side
    91,630.72x = 6,166,875,313.94
  5. Step 5: Solve for x
    x = 6,166,875,313.94/91,630.72
  6. Step 6: Final answer
    x = 67,301.40

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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.