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Finding the Fourth Proportional to 91,643.52, 137,426.40 and 32,494.08

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Solution

The fourth proportional to 91,643.52, 137,426.40 and 32,494.08 is: 48,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,643.52 : 137,426.40 = 32,494.08 : x
  2. Step 2: Convert to fraction form
    91,643.52/137,426.40 = 32,494.08/x
  3. Step 3: Cross multiply
    91,643.52x = 137,426.40 × 32,494.08
  4. Step 4: Simplify right side
    91,643.52x = 4,465,544,435.71
  5. Step 5: Solve for x
    x = 4,465,544,435.71/91,643.52
  6. Step 6: Final answer
    x = 48,727.33

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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.