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Finding the Fourth Proportional to 234,166.62, 322,930.58 and 155,445.34

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Solution

The fourth proportional to 234,166.62, 322,930.58 and 155,445.34 is: 214,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,166.62 : 322,930.58 = 155,445.34 : x
  2. Step 2: Convert to fraction form
    234,166.62/322,930.58 = 155,445.34/x
  3. Step 3: Cross multiply
    234,166.62x = 322,930.58 × 155,445.34
  4. Step 4: Simplify right side
    234,166.62x = 50,198,053,804.50
  5. Step 5: Solve for x
    x = 50,198,053,804.50/234,166.62
  6. Step 6: Final answer
    x = 214,368.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.