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Finding the Fourth Proportional to 224,659.12, 336,729.48 and 84,328.24

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Solution

The fourth proportional to 224,659.12, 336,729.48 and 84,328.24 is: 126,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,659.12 : 336,729.48 = 84,328.24 : x
  2. Step 2: Convert to fraction form
    224,659.12/336,729.48 = 84,328.24/x
  3. Step 3: Cross multiply
    224,659.12x = 336,729.48 × 84,328.24
  4. Step 4: Simplify right side
    224,659.12x = 28,395,804,404.52
  5. Step 5: Solve for x
    x = 28,395,804,404.52/224,659.12
  6. Step 6: Final answer
    x = 126,395.07

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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.