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Finding the Fourth Proportional to 239,218.80, 358,828.20 and 164,569.20

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Solution

The fourth proportional to 239,218.80, 358,828.20 and 164,569.20 is: 246,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,218.80 : 358,828.20 = 164,569.20 : x
  2. Step 2: Convert to fraction form
    239,218.80/358,828.20 = 164,569.20/x
  3. Step 3: Cross multiply
    239,218.80x = 358,828.20 × 164,569.20
  4. Step 4: Simplify right side
    239,218.80x = 59,052,069,811.44
  5. Step 5: Solve for x
    x = 59,052,069,811.44/239,218.80
  6. Step 6: Final answer
    x = 246,853.80

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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.