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Finding the Fourth Proportional to 209,535.93, 314,333.37 and 67,333.59

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Solution

The fourth proportional to 209,535.93, 314,333.37 and 67,333.59 is: 101,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,535.93 : 314,333.37 = 67,333.59 : x
  2. Step 2: Convert to fraction form
    209,535.93/314,333.37 = 67,333.59/x
  3. Step 3: Cross multiply
    209,535.93x = 314,333.37 × 67,333.59
  4. Step 4: Simplify right side
    209,535.93x = 21,165,194,258.90
  5. Step 5: Solve for x
    x = 21,165,194,258.90/209,535.93
  6. Step 6: Final answer
    x = 101,009.86

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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.