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Finding the Fourth Proportional to 255,219.08, 382,799.46 and 68,245.16

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Solution

The fourth proportional to 255,219.08, 382,799.46 and 68,245.16 is: 102,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,219.08 : 382,799.46 = 68,245.16 : x
  2. Step 2: Convert to fraction form
    255,219.08/382,799.46 = 68,245.16/x
  3. Step 3: Cross multiply
    255,219.08x = 382,799.46 × 68,245.16
  4. Step 4: Simplify right side
    255,219.08x = 26,124,210,395.61
  5. Step 5: Solve for x
    x = 26,124,210,395.61/255,219.08
  6. Step 6: Final answer
    x = 102,359.94

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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.