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Finding the Fourth Proportional to 323,164.78, 484,968.61 and 112,802.70

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Solution

The fourth proportional to 323,164.78, 484,968.61 and 112,802.70 is: 169,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,164.78 : 484,968.61 = 112,802.70 : x
  2. Step 2: Convert to fraction form
    323,164.78/484,968.61 = 112,802.70/x
  3. Step 3: Cross multiply
    323,164.78x = 484,968.61 × 112,802.70
  4. Step 4: Simplify right side
    323,164.78x = 54,705,768,623.25
  5. Step 5: Solve for x
    x = 54,705,768,623.25/323,164.78
  6. Step 6: Final answer
    x = 169,281.35

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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.