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Finding the Fourth Proportional to 365,888.73, 548,517.63 and 141,406.68

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Solution

The fourth proportional to 365,888.73, 548,517.63 and 141,406.68 is: 211,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,888.73 : 548,517.63 = 141,406.68 : x
  2. Step 2: Convert to fraction form
    365,888.73/548,517.63 = 141,406.68/x
  3. Step 3: Cross multiply
    365,888.73x = 548,517.63 × 141,406.68
  4. Step 4: Simplify right side
    365,888.73x = 77,564,056,979.77
  5. Step 5: Solve for x
    x = 77,564,056,979.77/365,888.73
  6. Step 6: Final answer
    x = 211,988.10

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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.