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Finding the Fourth Proportional to 185,792.40, 278,688.60 and 67,467.60

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Solution

The fourth proportional to 185,792.40, 278,688.60 and 67,467.60 is: 101,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,792.40 : 278,688.60 = 67,467.60 : x
  2. Step 2: Convert to fraction form
    185,792.40/278,688.60 = 67,467.60/x
  3. Step 3: Cross multiply
    185,792.40x = 278,688.60 × 67,467.60
  4. Step 4: Simplify right side
    185,792.40x = 18,802,450,989.36
  5. Step 5: Solve for x
    x = 18,802,450,989.36/185,792.40
  6. Step 6: Final answer
    x = 101,201.40

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1.5x scale

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.