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Finding the Fourth Proportional to 193,009.33, 266,453.70 and 149,892.10

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Solution

The fourth proportional to 193,009.33, 266,453.70 and 149,892.10 is: 206,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,009.33 : 266,453.70 = 149,892.10 : x
  2. Step 2: Convert to fraction form
    193,009.33/266,453.70 = 149,892.10/x
  3. Step 3: Cross multiply
    193,009.33x = 266,453.70 × 149,892.10
  4. Step 4: Simplify right side
    193,009.33x = 39,939,304,645.77
  5. Step 5: Solve for x
    x = 39,939,304,645.77/193,009.33
  6. Step 6: Final answer
    x = 206,929.40

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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.