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Finding the Fourth Proportional to 216,292.64, 324,583.60 and 76,050.72

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Solution

The fourth proportional to 216,292.64, 324,583.60 and 76,050.72 is: 114,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,292.64 : 324,583.60 = 76,050.72 : x
  2. Step 2: Convert to fraction form
    216,292.64/324,583.60 = 76,050.72/x
  3. Step 3: Cross multiply
    216,292.64x = 324,583.60 × 76,050.72
  4. Step 4: Simplify right side
    216,292.64x = 24,684,816,480.19
  5. Step 5: Solve for x
    x = 24,684,816,480.19/216,292.64
  6. Step 6: Final answer
    x = 114,126.94

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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.