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Finding the Fourth Proportional to 162,022.60, 242,918.70 and 62,144.20

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Solution

The fourth proportional to 162,022.60, 242,918.70 and 62,144.20 is: 93,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,022.60 : 242,918.70 = 62,144.20 : x
  2. Step 2: Convert to fraction form
    162,022.60/242,918.70 = 62,144.20/x
  3. Step 3: Cross multiply
    162,022.60x = 242,918.70 × 62,144.20
  4. Step 4: Simplify right side
    162,022.60x = 15,095,988,276.54
  5. Step 5: Solve for x
    x = 15,095,988,276.54/162,022.60
  6. Step 6: Final answer
    x = 93,172.11

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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.