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Finding the Fourth Proportional to 91,528.88, 137,187.90 and 35,344.23

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Solution

The fourth proportional to 91,528.88, 137,187.90 and 35,344.23 is: 52,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,528.88 : 137,187.90 = 35,344.23 : x
  2. Step 2: Convert to fraction form
    91,528.88/137,187.90 = 35,344.23/x
  3. Step 3: Cross multiply
    91,528.88x = 137,187.90 × 35,344.23
  4. Step 4: Simplify right side
    91,528.88x = 4,848,800,690.82
  5. Step 5: Solve for x
    x = 4,848,800,690.82/91,528.88
  6. Step 6: Final answer
    x = 52,975.64

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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.