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Finding the Fourth Proportional to 554,098.87, 831,148.40 and 133,374.74

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Solution

The fourth proportional to 554,098.87, 831,148.40 and 133,374.74 is: 200,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,098.87 : 831,148.40 = 133,374.74 : x
  2. Step 2: Convert to fraction form
    554,098.87/831,148.40 = 133,374.74/x
  3. Step 3: Cross multiply
    554,098.87x = 831,148.40 × 133,374.74
  4. Step 4: Simplify right side
    554,098.87x = 110,854,204,162.72
  5. Step 5: Solve for x
    x = 110,854,204,162.72/554,098.87
  6. Step 6: Final answer
    x = 200,062.14

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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.