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Finding the Fourth Proportional to 118,062.56, 177,046.85 and 43,165.64

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Solution

The fourth proportional to 118,062.56, 177,046.85 and 43,165.64 is: 64,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,062.56 : 177,046.85 = 43,165.64 : x
  2. Step 2: Convert to fraction form
    118,062.56/177,046.85 = 43,165.64/x
  3. Step 3: Cross multiply
    118,062.56x = 177,046.85 × 43,165.64
  4. Step 4: Simplify right side
    118,062.56x = 7,642,340,590.23
  5. Step 5: Solve for x
    x = 7,642,340,590.23/118,062.56
  6. Step 6: Final answer
    x = 64,731.28

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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.