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Finding the Fourth Proportional to 213,295.60, 294,346.20 and 117,808.84

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Solution

The fourth proportional to 213,295.60, 294,346.20 and 117,808.84 is: 162,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,295.60 : 294,346.20 = 117,808.84 : x
  2. Step 2: Convert to fraction form
    213,295.60/294,346.20 = 117,808.84/x
  3. Step 3: Cross multiply
    213,295.60x = 294,346.20 × 117,808.84
  4. Step 4: Simplify right side
    213,295.60x = 34,676,584,380.41
  5. Step 5: Solve for x
    x = 34,676,584,380.41/213,295.60
  6. Step 6: Final answer
    x = 162,575.24

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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.