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Finding the Fourth Proportional to 223,826.70, 336,128.85 and 118,850.70

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Solution

The fourth proportional to 223,826.70, 336,128.85 and 118,850.70 is: 178,482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,826.70 : 336,128.85 = 118,850.70 : x
  2. Step 2: Convert to fraction form
    223,826.70/336,128.85 = 118,850.70/x
  3. Step 3: Cross multiply
    223,826.70x = 336,128.85 × 118,850.70
  4. Step 4: Simplify right side
    223,826.70x = 39,949,149,112.70
  5. Step 5: Solve for x
    x = 39,949,149,112.70/223,826.70
  6. Step 6: Final answer
    x = 178,482.50

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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.