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Finding the Fourth Proportional to 118,247.44, 163,183.80 and 92,784.32

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Solution

The fourth proportional to 118,247.44, 163,183.80 and 92,784.32 is: 128,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,247.44 : 163,183.80 = 92,784.32 : x
  2. Step 2: Convert to fraction form
    118,247.44/163,183.80 = 92,784.32/x
  3. Step 3: Cross multiply
    118,247.44x = 163,183.80 × 92,784.32
  4. Step 4: Simplify right side
    118,247.44x = 15,140,897,918.02
  5. Step 5: Solve for x
    x = 15,140,897,918.02/118,247.44
  6. Step 6: Final answer
    x = 128,044.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.