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Finding the Fourth Proportional to 213,362.62, 294,439.50 and 117,869.32

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Solution

The fourth proportional to 213,362.62, 294,439.50 and 117,869.32 is: 162,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,362.62 : 294,439.50 = 117,869.32 : x
  2. Step 2: Convert to fraction form
    213,362.62/294,439.50 = 117,869.32/x
  3. Step 3: Cross multiply
    213,362.62x = 294,439.50 × 117,869.32
  4. Step 4: Simplify right side
    213,362.62x = 34,705,383,646.14
  5. Step 5: Solve for x
    x = 34,705,383,646.14/213,362.62
  6. Step 6: Final answer
    x = 162,659.16

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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.