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Finding the Fourth Proportional to 192,060.20, 287,744.70 and 164,412.20

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Solution

The fourth proportional to 192,060.20, 287,744.70 and 164,412.20 is: 246,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,060.20 : 287,744.70 = 164,412.20 : x
  2. Step 2: Convert to fraction form
    192,060.20/287,744.70 = 164,412.20/x
  3. Step 3: Cross multiply
    192,060.20x = 287,744.70 × 164,412.20
  4. Step 4: Simplify right side
    192,060.20x = 47,308,739,165.34
  5. Step 5: Solve for x
    x = 47,308,739,165.34/192,060.20
  6. Step 6: Final answer
    x = 246,322.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.