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Finding the Fourth Proportional to 249,424.62, 374,173.83 and 91,640.77

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Solution

The fourth proportional to 249,424.62, 374,173.83 and 91,640.77 is: 137,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,424.62 : 374,173.83 = 91,640.77 : x
  2. Step 2: Convert to fraction form
    249,424.62/374,173.83 = 91,640.77/x
  3. Step 3: Cross multiply
    249,424.62x = 374,173.83 × 91,640.77
  4. Step 4: Simplify right side
    249,424.62x = 34,289,577,895.05
  5. Step 5: Solve for x
    x = 34,289,577,895.05/249,424.62
  6. Step 6: Final answer
    x = 137,474.71

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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.