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Finding the Fourth Proportional to 164,569.20, 246,853.80 and 123,097.20

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Solution

The fourth proportional to 164,569.20, 246,853.80 and 123,097.20 is: 184,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,569.20 : 246,853.80 = 123,097.20 : x
  2. Step 2: Convert to fraction form
    164,569.20/246,853.80 = 123,097.20/x
  3. Step 3: Cross multiply
    164,569.20x = 246,853.80 × 123,097.20
  4. Step 4: Simplify right side
    164,569.20x = 30,387,011,589.36
  5. Step 5: Solve for x
    x = 30,387,011,589.36/164,569.20
  6. Step 6: Final answer
    x = 184,645.80

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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.