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Finding the Fourth Proportional to 224,020.80, 336,128.40 and 113,212.80

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Solution

The fourth proportional to 224,020.80, 336,128.40 and 113,212.80 is: 169,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,020.80 : 336,128.40 = 113,212.80 : x
  2. Step 2: Convert to fraction form
    224,020.80/336,128.40 = 113,212.80/x
  3. Step 3: Cross multiply
    224,020.80x = 336,128.40 × 113,212.80
  4. Step 4: Simplify right side
    224,020.80x = 38,054,037,323.52
  5. Step 5: Solve for x
    x = 38,054,037,323.52/224,020.80
  6. Step 6: Final answer
    x = 169,868.32

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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.