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Finding the Fourth Proportional to 213,483.60, 294,609.56 and 116,690.22

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Solution

The fourth proportional to 213,483.60, 294,609.56 and 116,690.22 is: 161,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,483.60 : 294,609.56 = 116,690.22 : x
  2. Step 2: Convert to fraction form
    213,483.60/294,609.56 = 116,690.22/x
  3. Step 3: Cross multiply
    213,483.60x = 294,609.56 × 116,690.22
  4. Step 4: Simplify right side
    213,483.60x = 34,378,053,787.05
  5. Step 5: Solve for x
    x = 34,378,053,787.05/213,483.60
  6. Step 6: Final answer
    x = 161,033.70

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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.