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Finding the Fourth Proportional to 275,166.53, 412,681.44 and 155,276.12

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Solution

The fourth proportional to 275,166.53, 412,681.44 and 155,276.12 is: 232,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,166.53 : 412,681.44 = 155,276.12 : x
  2. Step 2: Convert to fraction form
    275,166.53/412,681.44 = 155,276.12/x
  3. Step 3: Cross multiply
    275,166.53x = 412,681.44 × 155,276.12
  4. Step 4: Simplify right side
    275,166.53x = 64,079,572,799.21
  5. Step 5: Solve for x
    x = 64,079,572,799.21/275,166.53
  6. Step 6: Final answer
    x = 232,875.61

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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.