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Finding the Fourth Proportional to 213,675.60, 294,874.92 and 118,179.84

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Solution

The fourth proportional to 213,675.60, 294,874.92 and 118,179.84 is: 163,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,675.60 : 294,874.92 = 118,179.84 : x
  2. Step 2: Convert to fraction form
    213,675.60/294,874.92 = 118,179.84/x
  3. Step 3: Cross multiply
    213,675.60x = 294,874.92 × 118,179.84
  4. Step 4: Simplify right side
    213,675.60x = 34,848,270,865.61
  5. Step 5: Solve for x
    x = 34,848,270,865.61/213,675.60
  6. Step 6: Final answer
    x = 163,089.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.