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Finding the Fourth Proportional to 192,775.56, 266,019.84 and 107,876.22

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Solution

The fourth proportional to 192,775.56, 266,019.84 and 107,876.22 is: 148,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,775.56 : 266,019.84 = 107,876.22 : x
  2. Step 2: Convert to fraction form
    192,775.56/266,019.84 = 107,876.22/x
  3. Step 3: Cross multiply
    192,775.56x = 266,019.84 × 107,876.22
  4. Step 4: Simplify right side
    192,775.56x = 28,697,214,784.20
  5. Step 5: Solve for x
    x = 28,697,214,784.20/192,775.56
  6. Step 6: Final answer
    x = 148,863.35

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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.