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Finding the Fourth Proportional to 164,613.60, 246,931.20 and 46,288.80

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Solution

The fourth proportional to 164,613.60, 246,931.20 and 46,288.80 is: 69,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,613.60 : 246,931.20 = 46,288.80 : x
  2. Step 2: Convert to fraction form
    164,613.60/246,931.20 = 46,288.80/x
  3. Step 3: Cross multiply
    164,613.60x = 246,931.20 × 46,288.80
  4. Step 4: Simplify right side
    164,613.60x = 11,430,148,930.56
  5. Step 5: Solve for x
    x = 11,430,148,930.56/164,613.60
  6. Step 6: Final answer
    x = 69,436.24

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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.