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Finding the Fourth Proportional to 217,094.40, 325,544.40 and 83,930.40

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Solution

The fourth proportional to 217,094.40, 325,544.40 and 83,930.40 is: 125,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,094.40 : 325,544.40 = 83,930.40 : x
  2. Step 2: Convert to fraction form
    217,094.40/325,544.40 = 83,930.40/x
  3. Step 3: Cross multiply
    217,094.40x = 325,544.40 × 83,930.40
  4. Step 4: Simplify right side
    217,094.40x = 27,323,071,709.76
  5. Step 5: Solve for x
    x = 27,323,071,709.76/217,094.40
  6. Step 6: Final answer
    x = 125,858.02

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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.