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Finding the Fourth Proportional to 91,447.74, 137,187.99 and 32,317.74

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Solution

The fourth proportional to 91,447.74, 137,187.99 and 32,317.74 is: 48,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,447.74 : 137,187.99 = 32,317.74 : x
  2. Step 2: Convert to fraction form
    91,447.74/137,187.99 = 32,317.74/x
  3. Step 3: Cross multiply
    91,447.74x = 137,187.99 × 32,317.74
  4. Step 4: Simplify right side
    91,447.74x = 4,433,605,791.94
  5. Step 5: Solve for x
    x = 4,433,605,791.94/91,447.74
  6. Step 6: Final answer
    x = 48,482.40

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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.