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Finding the Fourth Proportional to 216,310.70, 298,507.01 and 119,514.25

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Solution

The fourth proportional to 216,310.70, 298,507.01 and 119,514.25 is: 164,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,310.70 : 298,507.01 = 119,514.25 : x
  2. Step 2: Convert to fraction form
    216,310.70/298,507.01 = 119,514.25/x
  3. Step 3: Cross multiply
    216,310.70x = 298,507.01 × 119,514.25
  4. Step 4: Simplify right side
    216,310.70x = 35,675,841,419.89
  5. Step 5: Solve for x
    x = 35,675,841,419.89/216,310.70
  6. Step 6: Final answer
    x = 164,928.69

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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.