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Finding the Fourth Proportional to 91,593.76, 137,437.50 and 43,616.68

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Solution

The fourth proportional to 91,593.76, 137,437.50 and 43,616.68 is: 65,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,593.76 : 137,437.50 = 43,616.68 : x
  2. Step 2: Convert to fraction form
    91,593.76/137,437.50 = 43,616.68/x
  3. Step 3: Cross multiply
    91,593.76x = 137,437.50 × 43,616.68
  4. Step 4: Simplify right side
    91,593.76x = 5,994,567,457.50
  5. Step 5: Solve for x
    x = 5,994,567,457.50/91,593.76
  6. Step 6: Final answer
    x = 65,447.33

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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.