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Finding the Fourth Proportional to 365,764.41, 548,591.18 and 99,545.67

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Solution

The fourth proportional to 365,764.41, 548,591.18 and 99,545.67 is: 149,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,764.41 : 548,591.18 = 99,545.67 : x
  2. Step 2: Convert to fraction form
    365,764.41/548,591.18 = 99,545.67/x
  3. Step 3: Cross multiply
    365,764.41x = 548,591.18 × 99,545.67
  4. Step 4: Simplify right side
    365,764.41x = 54,609,876,569.19
  5. Step 5: Solve for x
    x = 54,609,876,569.19/365,764.41
  6. Step 6: Final answer
    x = 149,303.42

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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.