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Finding the Fourth Proportional to 238,982.40, 358,473.60 and 164,332.80

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Solution

The fourth proportional to 238,982.40, 358,473.60 and 164,332.80 is: 246,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,982.40 : 358,473.60 = 164,332.80 : x
  2. Step 2: Convert to fraction form
    238,982.40/358,473.60 = 164,332.80/x
  3. Step 3: Cross multiply
    238,982.40x = 358,473.60 × 164,332.80
  4. Step 4: Simplify right side
    238,982.40x = 58,908,970,414.08
  5. Step 5: Solve for x
    x = 58,908,970,414.08/238,982.40
  6. Step 6: Final answer
    x = 246,499.20

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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.