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Finding the Fourth Proportional to 192,103.16, 265,102.68 and 107,220.20

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Solution

The fourth proportional to 192,103.16, 265,102.68 and 107,220.20 is: 147,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,103.16 : 265,102.68 = 107,220.20 : x
  2. Step 2: Convert to fraction form
    192,103.16/265,102.68 = 107,220.20/x
  3. Step 3: Cross multiply
    192,103.16x = 265,102.68 × 107,220.20
  4. Step 4: Simplify right side
    192,103.16x = 28,424,362,370.14
  5. Step 5: Solve for x
    x = 28,424,362,370.14/192,103.16
  6. Step 6: Final answer
    x = 147,964.05

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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.