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Finding the Fourth Proportional to 216,777.52, 325,085.55 and 74,583.10

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Solution

The fourth proportional to 216,777.52, 325,085.55 and 74,583.10 is: 111,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,777.52 : 325,085.55 = 74,583.10 : x
  2. Step 2: Convert to fraction form
    216,777.52/325,085.55 = 74,583.10/x
  3. Step 3: Cross multiply
    216,777.52x = 325,085.55 × 74,583.10
  4. Step 4: Simplify right side
    216,777.52x = 24,245,888,084.21
  5. Step 5: Solve for x
    x = 24,245,888,084.21/216,777.52
  6. Step 6: Final answer
    x = 111,846.87

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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.