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Finding the Fourth Proportional to 554,083.89, 831,126.07 and 133,359.77

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Solution

The fourth proportional to 554,083.89, 831,126.07 and 133,359.77 is: 200,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,083.89 : 831,126.07 = 133,359.77 : x
  2. Step 2: Convert to fraction form
    554,083.89/831,126.07 = 133,359.77/x
  3. Step 3: Cross multiply
    554,083.89x = 831,126.07 × 133,359.77
  4. Step 4: Simplify right side
    554,083.89x = 110,838,779,124.99
  5. Step 5: Solve for x
    x = 110,838,779,124.99/554,083.89
  6. Step 6: Final answer
    x = 200,039.71

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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.