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Finding the Fourth Proportional to 117,455.60, 176,183.40 and 43,612.40

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Solution

The fourth proportional to 117,455.60, 176,183.40 and 43,612.40 is: 65,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,455.60 : 176,183.40 = 43,612.40 : x
  2. Step 2: Convert to fraction form
    117,455.60/176,183.40 = 43,612.40/x
  3. Step 3: Cross multiply
    117,455.60x = 176,183.40 × 43,612.40
  4. Step 4: Simplify right side
    117,455.60x = 7,683,780,914.16
  5. Step 5: Solve for x
    x = 7,683,780,914.16/117,455.60
  6. Step 6: Final answer
    x = 65,418.60

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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.