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Finding the Fourth Proportional to 192,018.60, 264,980.16 and 107,133.84

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Solution

The fourth proportional to 192,018.60, 264,980.16 and 107,133.84 is: 147,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,018.60 : 264,980.16 = 107,133.84 : x
  2. Step 2: Convert to fraction form
    192,018.60/264,980.16 = 107,133.84/x
  3. Step 3: Cross multiply
    192,018.60x = 264,980.16 × 107,133.84
  4. Step 4: Simplify right side
    192,018.60x = 28,388,342,064.61
  5. Step 5: Solve for x
    x = 28,388,342,064.61/192,018.60
  6. Step 6: Final answer
    x = 147,841.63

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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.