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Finding the Fourth Proportional to 273,951.04, 411,035.56 and 105,426.12

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Solution

The fourth proportional to 273,951.04, 411,035.56 and 105,426.12 is: 158,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,951.04 : 411,035.56 = 105,426.12 : x
  2. Step 2: Convert to fraction form
    273,951.04/411,035.56 = 105,426.12/x
  3. Step 3: Cross multiply
    273,951.04x = 411,035.56 × 105,426.12
  4. Step 4: Simplify right side
    273,951.04x = 43,333,884,272.83
  5. Step 5: Solve for x
    x = 43,333,884,272.83/273,951.04
  6. Step 6: Final answer
    x = 158,181.13

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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.