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Finding the Fourth Proportional to 73,185.93, 109,478.17 and 58,423.68

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Solution

The fourth proportional to 73,185.93, 109,478.17 and 58,423.68 is: 87,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,185.93 : 109,478.17 = 58,423.68 : x
  2. Step 2: Convert to fraction form
    73,185.93/109,478.17 = 58,423.68/x
  3. Step 3: Cross multiply
    73,185.93x = 109,478.17 × 58,423.68
  4. Step 4: Simplify right side
    73,185.93x = 6,396,117,571.07
  5. Step 5: Solve for x
    x = 6,396,117,571.07/73,185.93
  6. Step 6: Final answer
    x = 87,395.45

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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.