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Finding the Fourth Proportional to 192,911.01, 266,287.01 and 157,038.75

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Solution

The fourth proportional to 192,911.01, 266,287.01 and 157,038.75 is: 216,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,911.01 : 266,287.01 = 157,038.75 : x
  2. Step 2: Convert to fraction form
    192,911.01/266,287.01 = 157,038.75/x
  3. Step 3: Cross multiply
    192,911.01x = 266,287.01 × 157,038.75
  4. Step 4: Simplify right side
    192,911.01x = 41,817,378,406.44
  5. Step 5: Solve for x
    x = 41,817,378,406.44/192,911.01
  6. Step 6: Final answer
    x = 216,770.30

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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.